LIFE IN THE LOWER SUSQUEHANNA RIVER WATERSHED

A Natural History of Conewago Falls—The Waters of Three Mile Island

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Posted on February 20, 2022November 11, 2022 by L. L. Coble

Photo of the Day

Birds of Conewago Falls in the Lower Susquehanna River Watershed: American Robins — Migrating American Robins feast on the juicy red fruits of a Highbush Cranberry (Viburnum opulus).

CategoriesAmerican Robin, Highbush Cranberry, Honeysuckles and Valerians (Dipsacales), Honeysuckles and Viburnums (Adoxaceae)TagsBird Feeding, Photo of the Day, Planting for Wildlife

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Plastics are not only an unsightly environmental nightmare, they put all of us in danger in the event of a fire. It doesn't matter whether you're a firefighter, an E.M.S. provider, a police officer, a municipal planner, or just a citizen concerned for the safety of one's self and family, you need to know the hazards and what to do about them. Don't wait; click this image to visit our Riverside Firemen's Retreat page and get informed.

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2017 Autumn Migration Count (16)
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Bird Feeding (28)
Birds on Radar (14)
Eating Invasive Species (3)
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Forty Years Ago in the Lower Rio Grande Valley (9)
In the Doghouse (2)
Photo of the Day (125)
Planting for Wildlife (37)
Ponds/Pools (23)
TMI Unit 2 Accident (8)
Uncle Tyler Dyer (11)
Voyage of the S. S. Haldeman (2)

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In the current…

Forty Years Ago in the Lower Rio Grande Valley: Day Eight May 28, 2023
Forty Years Ago in the Lower Rio Grande Valley: Day Seven May 27, 2023
Forty Years Ago in the Lower Rio Grande Valley: Day Six May 26, 2023
Forty Years Ago in the Lower Rio Grande Valley: Day Five May 25, 2023
Forty Years Ago in the Lower Rio Grande Valley: Day Four May 24, 2023

WARNING: BIG FOOTPRINT ALERT!

The lower Susquehanna valley's native wildlife and plant communities continue to be decimated by the expanding range of the planet's most invasive beast: BIG FOOTPRINT (Homo sapiens macrovestigium). These are vicious, dangerous animals. KEEP YOUR DISTANCE!

Hierarchical Index

Animals (Animalia)
Astronomy
Bacteria
- Spirochaetes (Spirochaetota)
  - Spirochaetes (Spirochaetia)
    - Spirochetes (Spirochaetales)
      - Spirochetes (Borreliaceae)
        
        Borrelia burgdorferi
Birds on Radar
Climate
- Drought
- Dust Storm
  - Saharan Dust Storm
- Floods
  - Hurricane Agnes
  - Tropical Storm Lee
- Ice Age
- Ice Scour
- Rainfall
- Sun Halo
- Tornado
Early Naturalists
- Linnaean Society of Lancaster City and County
Extinct Species
Geology
- Erosion
  - Floodplains
- Gettysburg Basin
  - Gettysburg Formation
    - Triassic redbeds
  - York Haven Diabase
    - Conewago Falls
      - Pothole Rocks
Habitats
Hawk Watches
Landmarks
Non-native/Introduced Species
- Invasive Species
Physiographic Provinces
Plants (Plantae)
- Conifers (Pinopsida)
  - Cypresses (Cupressales)
    - Cypresses (Cupressaceae)
  - Extant Conifers (Pinales)
    - Pines (Pinaceae)
- Flowering Plants (Angiosperms)
Pollution and Stream Impairment
Stream Rehabilitation
Tributaries
Uncategorized

Alphabetical Index

"Blue Goose"
"Bradford Pear"
"Garbage Soil"
"Hollywood Juniper"
"Taiga Merlin"
"Tiger" Wolf Spiders (Tigrosa species)
"Tundra Peregrine Falcon"
Acanthus (Acanthaceae)
Accident at Three Mile Island
Acid Mine Drainage
Alderflies and Dobsonflies (Megaloptera)
Alluvial Terrace Wetlands
Altamira Oriole
American Avocet
American Beautyberry
American Beech
American Bittern
American Black Duck
American Bladdernut
American Coot
American Copper
American Crow
American Dog Tick
American Eel
American Eelgrass
American Goldfinch
American Holly
American Kestrel
American Pipit
American Pokeweed
American Redstart
American Robin
American Shad
American Tree Sparrow
American Wigeon
Amphibians (Amphibia)
Animals (Animalia)
Annual Cicada
Anoles (Dactyloidae)
Anthracite Coal Sediment (Culm)
Ants (Formicidae)
Aphids (Aphididae)
Apollo 11
Apollo 13
Apollo 8
Arachnids (Arachnida)
Arrowheads and Tapegrasses (Alismatales)
Arthropods (Arthropoda)
Arums (Araceae)
Ashes and Mints (Lamiales)
Ashes and Olives (Oleaceae)
Asian Multicolored Lady Beetle
Asian Tiger Mosquito
Asiatic Clam
Aster species
Asterids
Asteroids
Astronomy
Atlantic Coastal Plain Province
Atlantic Ghost Crab
Atlantic Horseshoe Crab
Avocets and Stilts (Recurvirostridae)
Bacteria
Baird's Sandpiper
Bald Cypress
Bald Eagle
Balsams (Balsaminaceae)
Baltimore Oriole
Banded Darter
Banded Killifish
Bank Swallow
Barberries (Berberidaceae)
Barn Swallow
Basswood and Mallows (Malvales)
Bay-breasted Warbler
Bear (Scrub) Oak
Beaver
Beavers (Castoridae)
Beeches and Oaks (Fagaceae)
Bees (Apidae)
Bees and Ants (Hymenoptera)
Beetles (Coleoptera)
Bellflowers (Campanulaceae)
Belted Kingfisher
Big Bluestem
Bignonias (Bignoniaceae)
Birches (Betulaceae)
Birds (Aves)
Birds on Radar
Bivalves (Bivalvia)
Black Cherry
Black Chokeberry
Black Francolin
Black Oak
Black Saddlebags
Black Tupelo
Black Vulture
Black Walnut
Black-and-white Warbler
Black-bellied Whistling Duck
Black-capped Chickadee
Black-capped/Carolina Chickadee
Black-eyed Susan
Black-headed Gull
Black-necked Stilt
Black-shouldered Spinyleg
Black-throated Blue Warbler
Black-throated Green Warbler
Blackbirds (Icteridae)
Blackburnian Warbler
Blackhaw
Blackjack Oak
Blackpoll Warbler
Bladdernuts (Crossosomatales)
Bladdernuts (Staphyleaceae)
Blow Flies (Calliphoridae)
Blue Catfish
Blue Jay
Blue-gray Gnatcatcher
Blue-headed Vireo
Blue-winged Teal
Blue-winged Warbler
Bluegill
Bluntnose Minnow
Bobolink
Bold Jumping Spider
Bonaparte's Gull
Borages and Forget-me-nots (Boraginaceae)
Borages and Forget-me-nots (Boraginales)
Borrelia burgdorferi
Bridge Orb Weaver
Bridges
Brill's Run
Broad-winged Hawk
Bronzed Cowbird
Brown Creeper
Brown Marmorated Stink Bug
Brown-headed Cowbird
Brunner Island
Brush-footed Butterflies (Nymphalidae)
Bryozoans (Bryozoa)
Buckeye
Bufflehead
Bumble Bee species
Burrowing Mayflies (Ephemeridae)
Bush Katydid species
Buttercups (Ranunculaceae)
Butterflies and Moths (Lepidoptera)
Butterfly Weed
Buttonbush
Cabbage White
Cackling Goose
Cacti and Carnations (Caryophyllales)
Cactus Wren
Caddisflies (Trichoptera)
Callery Pear
Canada Goose
Canada Warbler
Cane Toad
Canines (Canidae)
Canvasback
Cape May Warbler
Carangaria (Anabantiformes)
Carbaryl (1-naphthyl methylcarbamate)
Cardinals (Cardinalidae)
Carnivores (Carnivora)
Carolina Chickadee
Carolina Parakeet
Carolina Saddlebags
Carolina Wren
Carps and Minnows (Cypriniformes)
Cashews and Sumacs (Anacardiaceae)
Caspian Tern
Catfish (Siluriformes)
Cats (Felidae)
Cattails (Typhaceae)
Cedar Waxwing
Channel Catfish
Channelization
Chats (Icteridae)
Chestnut Oak
Chestnut-sided Warbler
Chickadees and Titmice (Paridae)
Chickens and Turkeys (Phasianidae)
Chimney Swift
Chinese Juniper
Chinese Mantis
Chinkapin Oak
Chipping Sparrow
Chordates (Chordata)
Cicada Killer
Cicadas (Cicadidae)
Citrus and Maples (Sapindales)
Cliff Swallow
Climate
Clouded Sulphur
Cloudless Sulphur
Clubtails (Gomphidae)
Coffees and Madders (Rubiaceae)
Columbia-Wrightsville Bridge
Comb-lipped Casemaker Caddisflies (Calamoceratidae)
Commelinids
Common Carp
Common Cattail
Common Dandelion
Common Goldeneye
Common Grackle
Common Green Darner
Common Loon
Common Map Turtle
Common Merganser
Common Milkweed
Common Nighthawk
Common Pawpaw
Common Raven
Common Spicebush
Common Sunflower
Common Winterberry
Common Yellowthroat
Composites (Asteraceae)
Composites and Bellflowers (Asterales)
Conewago Creek (east)
Conewago Creek (west)
Conewago Falls
Conifers (Pinopsida)
Conowingo Dam
Conoy Creek
Cooper's Hawk
Cormorants (Phalacrocoracidae)
Coronal Mass Ejection
Couch's Kingbird
Cover Crops
Crabgrass
Crabs (Malacostraca)
Crabs and Crayfish (Decapoda)
Craneflies (Tipulidae)
Cranes and Rails (Gruiformes)
Crayfish (Cambaridae)
Creeping Ancylid
Crown Vetch
Cuckoos and Roadrunners (Cuculidae)
Cuckoos and Roadrunners (Cuculiformes)
Cupheas and Loosestrifes (Lythraceae)
Curassows and Guans (Cracidae)
Custard Apples (Annonaceae)
Cutlips Minnow
Cypresses (Cupressaceae)
Cypresses (Cupressales)
Cyprinids (Cyprinidae)
Dark-eyed Junco
Darners (Aeshnidae)
DDT (Dichlorodiphenyltrichloroethane)
Dead Zone
Deer (Cervidae)
Deer Tick
Diabase Pothole Rocks Microhabitat
Different-gilled Snails (Heterobranchia)
Diurnal Raptors (Accipitriformes)
Dobsonflies and Fishflies (Corydalidae)
Dogbanes (Apocynaceae)
Dogwoods (Nyssaceae)
Dogwoods and Tupelos (Cornales)
Domestic Cat
Domestic Chicken
Domestic Dog
Double-crested Cormorant
Downy Woodpecker
Dragonflies and Damselflies (Odonata)
Drought
Ducks and Geese (Anatidae)
Ducks and Geese (Anseriformes)
Dutchman's Breeches
Earth and Moon
Eastern Blacknose Dace
Eastern Bluebird
Eastern Buck Moth
Eastern Carpenter Bee
Eastern Comma
Eastern Copperhead
Eastern Cottontail
Eastern Dobsonfly
Eastern Elliptio
Eastern Gray Squirrel
Eastern Hemlock
Eastern Kingbird
Eastern Meadowlark
Eastern Mole
Eastern Phoebe
Eastern Ratsnake
Eastern Red Cedar
Eastern Redbud
Eastern Spring Beauty
Eastern Sycamore
Eastern Tailed Blue
Eastern Tiger Swallowtail
Eastern Towhee
Eastern Whip-poor-will
Eastern White Pine
Eastern Wood-Pewee
Eastern Yellowjacket
Eels (Anguilliformes)
Elf Owl
Emerald Ash Borer
Emeralds (Corduliidae)
Equal-valved Clams (Venerida)
Erebid Moths (Erebidae)
Erosion
Eudicots (Eudicotyledon)
European Starling
Evaporation
Even-toed Ungulates (Artiodactyla)
Evening Grosbeak
Extant Conifers (Pinales)
Extinct Species
Fairy and Clam Shrimp (Branchiopoda)
Fairy Shrimp (Anostraca)
Fairy Shrimp (Chirocephalidae)
Falcons (Falconidae)
Falcons (Falconiformes)
Fallfish
Familiar Bluet
Fathead Minnow
Field Sparrow
Field Terracing
Fiery Skipper
Finches (Fringillidae)
Fish Crow
Fishflies (Chauliodinae)
Five-lined Skink
Flathead Catfish
Flies (Diptera)
Floodplain Impairment
Floodplain Restoration
Floodplains
Floods
Flowering Plants (Angiosperms)
Flycatchers (Tyrannidae)
Forest Nut Trees (Fagales)
Forested Stream Buffers
Fox Grape
Fox Sparrow
Foxtail species
Fragile Forktail
Freshwater Bryozoans (Phylactolaemata)
Freshwater Bryozoans (Plumatellida)
Freshwater Cordgrass
Freshwater Eels (Anguillidae)
Freshwater Mussels (Unionoida)
Frigatebirds and Cormorants (Suliformes)
Frogs (Anura)
Frost Aster
Gadwall
Garber (Dr. Abram P.)
Gars (Lepisosteidae)
Gars (Lepisosteiformes)
Gentians (Gentianales)
Geology
Gettysburg Basin
Gettysburg Basin Archipelago
Gettysburg Formation
Ghost Crabs and Fiddler Crabs (Ocypodidae)
Gizzard Shad
Glossy Ibis
Gnatcatchers (Polioptilidae)
Golden Eagle
Golden Shiner
Golden-crowned Kinglet
Golden-fronted Woodpecker
Goldenrod species
Gossamer-winged Butterflies (Lycaenidae)
Grapevines (Vitaceae)
Grapevines (Vitales)
Grasses (Poaceae)
Grasshoppers and Crickets (Orthoptera)
Grassy Plants (Poales)
Gray (Prof. Asa)
Gray Catbird
Gray Garden Slug
Gray Hairstreak
Gray-headed Coneflower
Great Apes (Hominidae)
Great Black-backed Gull
Great Blue Heron
Great Blue Skimmer
Great Brown Drake
Great Crested Flycatcher
Great Egret
Great Horned Owl
Great Kiskadee
Great Lobelia
Great Rhododendron
Great-tailed Grackle
Greater Roadrunner
Greater Scaup
Greater Yellowlegs
Grebes (Podicipedidae)
Grebes (Podicipediformes)
Green Anole
Green Ash
Green Frog
Green Heron
Green Jay
Green-headed Coneflower
Green-winged Teal
Greenbottle Fly
Greenside Darter
Groove-billed Ani
Ground Beetles (Carabidae)
Gulf Coastal Plain
Gulls and Terns (Laridae)
Habitats
Hackberries and Hops (Cannabaceae)
Hairy Woodpecker
Halberd-leaved Rose Mallow
Haldeman (Prof. Samuel S.)
Halloween Pennant
Hard Ticks (Ixodidae)
Harris's Hawk
Harrisburg International Airport
Hawk Watches
Hawks and Eagles (Accipitridae)
Heath Hen
Heathers (Ericaceae)
Herbicides
Hermit Thrush
Herons and Egrets (Ardeidae)
Herring (Clupeidae)
Herring (Clupeiformes)
Herring Gull
Hickory Shad
Hickory Tussock Moth
Highbush Cranberry
Hollies (Aquifoliaceae)
Hollies (Aquifoliales)
Holtwood Dam
Honey Bee
Honeysuckles and Valerians (Dipsacales)
Honeysuckles and Viburnums (Adoxaceae)
Hooded Merganser
Horace's Duskywing
Horned Grebe
Horned Lark
Horseshoe Crabs (Limulidae)
Horseshoe Crabs (Xiphosura)
House Finch
House Fly
House Sparrow
House Wren
Houseflies and Stableflies (Muscidae)
Hover Flies (Syrphidae)
Human
Hummingbirds (Trochilidae)
Hurricane Agnes
Ibises and Spoonbills (Threskiornithidae)
Ice Age
Ice Scour
Ictalurids (Ictaluridae)
Impatiens and Azaleas (Ericales)
Indiangrass
Indiantown Run
Indigo Bunting
Infiltration
Insecticides
Insects (Insecta)
Invasive Species
Ivory-billed Woodpecker
Japanese Beetle
Japanese Stiltgrass
Jays and Crows (Corvidae)
Jefferson Salamander
Jewel Beetles (Buprestidae)
Joe-Pye Weed species
Jumping Spiders (Salticidae)
Katydids (Tettigoniidae)
Killdeer
Killifish and Livebearers (Cyprinodontiformes)
Killifish and Topminnows (Fundulidae)
Kingfishers (Alcedinidae)
Kinglets (Regulidae)
Knotweeds and Smartweeds (Polygonaceae)
Lady Beetles (Coccinellidae)
Lake Clarke
Lakes
Lance-leaved Coreopsis
Lancet Clubtail
Landmarks
Lanternflies (Fulgoridae)
Large Moths (Saturniidae)
Larks (Alaudidae)
Laurels (Lauraceae)
Leafcutter Bee species
Least Grebe
Least Sandpiper
Least Skipper
LeConte (Prof. J. L.)
Legacy Sediment
Legacy Sediment Removal
Legumes (Fabaceae)
Legumes and Milkworts (Fabales)
Lentic Waters
Lesser Angle-winged Katydid
Lesser Black-backed Gull
Lesser Canada Goose
Lesser Celandine
Lesser Mystery Snail
Lesser Scaup
Lesser Yellowlegs
Libhart (Judge John J.)
Lilies (Liliaceae)
Lilies (Liliales)
Limpets and Ram's Horns (Planorbidae)
Lincoln's Sparrow
Linnaean Society of Lancaster City and County
Litter
Little Blue Heron
Little Bluestem
Livestock in Streams
Loggerhead Shrike
Long-billed Thrasher
Long-tailed Duck
Longhorn Beetles (Cerambycidae)
Longnose Dace
Longnose Gar
Loons (Gaviidae)
Loons (Gaviiformes)
Lotic Waters
Lovegrass species
Lungless Salamanders (Plethodontidae)
Magicicada cassinii
Magicicada septendecim
Magicicada septendecula
Magnolia Warbler
Magnolias and Tuliptrees (Magnoliaceae)
Magnolias and Tuliptrees (Magnoliales)
Magnolias and Tuliptrees (Magnoliids)
Mallard
Mallard (polygamous form)
Mallows (Malvaceae)
Mammals (Mammalia)
Marbled Salamander
Margined Madtom
Maryland Senna
Mason and Leafcutter Bees (Megachilidae)
Mason Bee species
Mayapple
Mayflies (Ephemeroptera)
McCaskey (John P.)
Merlin
Mexican Cigar
Mice and Voles (Cricetidae)
Mile-a-minute Weed
Mimics (Mimidae)
Mints and Sages (Lamiaceae)
Mississippi Kite
Mole Crab
Mole Crabs (Hippidae)
Mole Salamanders (Ambystomatidae)
Moles (Talpidae)
Mollusks (Mollusca)
Monarch
Monkeys and Apes (Primates)
Monocots (Monocotyledon)
Mosquitos (Culicidae)
Moth species
Motmots and Kingfishers (Coraciiformes)
Mountain Laurel
Mourning Cloak
Mourning Dove
Multiflora Rose
Mustards (Brassicaceae)
Mustards (Brassicales)
Mute Swan
Myrtles (Myrtales)
Mystery Snails (Viviparidae)
Nashville Warbler
Neonicotinoids
Neotropical and Afrotropical Parrots (Psittacidae)
Net-spinning Caddisflies (Hydropsychidae)
New World Quail (Odontophoridae)
Nighthawks and Nightjars (Caprimulgidae)
Nighthawks and Nightjars (Caprimulgiformes)
No-till Farming
Non-native/Introduced Species
Northern Bobwhite
Northern Cardinal
Northern Flicker
Northern Goshawk
Northern Hackberry
Northern Harrier
Northern House Mosquito
Northern Mockingbird
Northern Parula
Northern Pintail
Northern Red Oak
Northern Rough-winged Swallow
Northern Shoveler
Northern Slimy Salamander
Northern Snakehead
Northern Spring Peeper
Northern Walkingstick
Northern Water Snake
Northern Waterthrush
Norway Spruce
Nuthatches (Sittidae)
Nutrient Management
Nutrients and Sediment
Ocelot
Oil Spills
Old World Sparrows (Passeridae)
Oleander Aphid
Olive-sided Flycatcher
Orange Sulphur
Orb-weaver Spiders (Araneidae)
Orchard Oriole
Osprey
Osprey (Pandionidae)
Ovenbird
Owls (Strigiformes)
Oxeye
P.C.B.s (polychlorinated biphenyls)
Painted Bunting
Painted Lady
Painted Turtle
Pale Touch-Me-Not
Palm Warbler
Paper Wasp
Parrots (Psittaciformes)
Partridge Pea
Passenger Pigeon
Pearl Crescent
Pelicans and Herons (Pelecaniformes)
Perch and Darters (Percidae)
Perch-like Fishes (Perciformes)
Perching Birds (Passeriformes)
Peregrine Falcon
Periodical Cicada
Pesticides
Physiographic Provinces
Pickerelweed
Pied-billed Grebe
Piedmont Province
Pig
Pigeons and Doves (Columbidae)
Pigeons and Doves (Columbiformes)
Pigs (Suidae)
Pileated Woodpecker
Pin Oak
Pine Siskin
Pines (Pinaceae)
Pinxter Flower
Pipe Organ Mud Dauber
Plain Chachalaca
Plains Coreopsis
Plane Trees (Platanaceae)
Plane Trees and Lotus (Proteales)
Plants (Plantae)
Plovers (Charadriidae)
Point Source Pollutants
Poison Ivy
Pokeweeds (Phytolaccaceae)
Pollution and Stream Impairment
Pond Damselflies (Coenagrionidae)
Pond Turtles (Emydidae)
Poppies (Papaveraceae)
Poppies and Buttercups (Ranunculales)
Pothole Rocks
Powdered Dancer
Praying Mantises (Mantidae)
Praying Mantises (Mantodea)
Prince Baskettail
Purple Coneflower
Purple Dead Nettle
Purple Finch
Purple Gallinule
Purple Loosestrife
Purple Martin
Purpletop
Rabbits and Hares (Leporidae)
Rabbits and Pikas (Lagomorpha)
Rails (Rallidae)
Rain Barrels
Rain Garden
Rainbow Trout
Rainfall
Rathvon (Simon S.)
Ray-finned Fishes (Actinopterygii)
Red Admiral
Red Crossbill
Red Fox
Red Jungle Fowl
Red Maple
Red Milkweed Beetle
Red-banded Hairstreak
Red-bellied Woodpecker
Red-billed Pigeon
Red-breasted Merganser
Red-breasted Nuthatch
Red-eared Slider
Red-eyed Vireo
Red-headed Woodpecker
Red-necked Grebe
Red-shouldered Hawk
Red-tailed Hawk
Red-winged Blackbird
Redbreast Sunfish
Redhead
Reptiles (Reptilia)
Retention
Richardson's Cackling Goose
Ridge and Valley Province
Ring-billed Gull
Ring-necked Duck
Ring-necked Pheasant
Riparian Woodlands
River Birch
River Chub
River Mussels (Unionidae)
River Snail
Riverine Grasslands
Robber Flies (Asilidae)
Robber Fly species
Rock Bass
Rocky Ridge County Park
Rodents (Rodentia)
Rose-breasted Grosbeak
Roseate Spoonbill
Roses (Rosaceae)
Roses and Nettles (Rosales)
Rosids
Rough Boneset
Rough-legged Hawk
Ruby-crowned Kinglet
Ruby-throated Hummingbird
Ruddy Duck
Rue Anemone
Ruffed Grouse
Rusty Blackbird
Rusty Crayfish
Sachem
Safe Harbor Dam
Saharan Dust Storm
Salamanders (Urodela)
Salmon and Trout (Salmonidae)
Salmon and Trout (Salmoniformes)
Sanderling
Sandpipers (Scolopacidae)
Sassafras and Laurels (Laurales)
Savannah Sparrow
Scaled Reptiles (Squamata)
Scarab Beetles (Scarabaeidae)
Scarlet Tanager
Scaup species
Scissor-tailed Flycatcher
Scoter species
Sea Snails+ (Caenogastropoda)
Second Mountain
Semipalmated Plover
Semipalmated Sandpiper
Shadow Darner
Shagbark Hickory
Sharp-shinned Hawk
Shepherd's Purse
Shield Bugs (Pentatomidae)
Shorthead Redhorse
Shrews and Moles (Eulipotyphla)
Shrikes (Laniidae)
Siltation
Silver-bellied Cicada
Silver-spotted Skipper
Silvery Checkerspot
Skimmers (Libellulidae)
Skinks (Scincidae)
Skippers (Hesperiidae)
Skunk Cabbage
Skunks and Badgers (Mephitidae)
Slaty Skimmer
Smallmouth Bass
Snails and Slugs (Gastropoda)
Snakeheads (Channidae)
Snapping Turtle
Snapping Turtles (Chelydridae)
Snow Goose
Snowy Egret
Soapberries (Sapindaceae)
Solar Eclipse
Solar Rotation
Solitary Sandpiper
Solitary Wasp species
Solitary Wasps (Sphecidae)
Song Sparrow
Space Travel
Sparrows (Passerellidae)
Spicebush Swallowtail
Spiders (Araneae)
Spiderworts and Water Hyacinths (Commelinales)
Spire-shelled Freshwater Snails (Pleuroceridae)
Spirochaetes (Spirochaetia)
Spirochaetes (Spirochaetota)
Spirochetes (Borreliaceae)
Spirochetes (Spirochaetales)
Spotfin Shiner
Spotfin Shiner/Satinfin Shiner
Spotted Lanternfly
Spotted Salamander
Spotted Sandpiper
Spotted Touch-Me-Not
Spring Beauties (Montiaceae)
Springtime Fairy Shrimp
Squirrels (Sciuridae)
St. Anthony's Wilderness
Starlings and Mynas (Sturnidae)
Stevens (Honorable Thaddeus)
Stick Insects (Phasmatodea)
Stoneflies (Plecoptera)
Stony Creek
Stormwater
Stormwater Management
Stream Rehabilitation
Streambank Fencing
Striped Bass
Striped Skunk
Suckers (Catostomidae)
Sun
Sun Halo
Sunfishes (Centrarchidae)
Superasterids
Swainson's Hawk
Swallows (Hirundinidae)
Swallowtail Butterflies (Papilionidae)
Swallowtail Shiner
Swamp Darner
Swamp Milkweed
Swamp Rose Mallow
Swamp Sparrow
Swamp White Oak
Swatara Creek
Sweet Autumn Virgin's Bower
Sweet Vernal Grass
Swifts (Apodidae)
Swifts and Hummingbirds (Apodiformes)
Switchgrass
Tapegrasses and Waterweeds (Hydrocharitaceae)
Tar Balls
Temperate Basses (Moronidae)
Tennessee Warbler
Terrestrial Slugs (Agriolimacidae)
Terrestrial Snails and Slugs (Stylommatophora)
Tessellated Darter
Thick-walled Clams (Cyrenidae)
Three Mile Island
Three Mile Island Generating Station
Thrushes (Turdidae)
Ticks (Ixodida)
Timber Rattlesnake
Tornado
Toucans and Woodpeckers (Piciformes)
Tree Swallow
Treecreepers (Certhiidae)
Treefrogs (Hylidae)
Triassic redbeds
Tributaries
Tropical Storm Lee
Trout Lily
True Bugs (Hemiptera)
True Frogs (Ranidae)
True Toads (Bufonidae)
Trumpet Vine
Tufted Duck
Tufted Titmouse
Tundra Swan
Turkey Vulture
Turtles (Testudines)
Twelve-spotted Skimmer
Typical Owls (Strigidae)
Typical Snakes (Colubridae)
Uncategorized
Unicorn Clubtail
Variegated Fritillary
Veery
Vernal Ponds
Vespid Wasps (Vespidae)
Viceroy
Vipers (Viperidae)
Vireos (Vireonidae)
Virginia Bluebells
Virginia Creeper
Virginian River Horn Snail
Vultures (Cathartidae)
Waders and Gulls (Charadriiformes)
Waggoner's Gap
Wagtails and Pipits (Motacillidae)
Walkingsticks (Diapheromeridae)
Walleye
Walnuts (Juglandaceae)
Wandering Glider
Warblers (Parulidae)
Warbling Vireo
Warm-season Grass Meadows
Warmwater Stream
Wastewater Treatment
Water Hyacinths (Pontederiaceae)
Water Stargrass
Water Striders (Gerridae)
Water Willow
Waterfowl Feeding
Waxwings (Bombycillidae)
West Gulf Coastal Plain
Wetland Restoration
White Oak
White Perch
White Sucker
White-breasted Nuthatch
White-crowned Sparrow
White-eyed Vireo
White-footed Mouse
White-tailed Deity
White-throated Sparrow
White-tipped Dove
White-winged Crossbill
White-winged Dove
Whites and Sulphurs (Pieridae)
Wild Bergamot
Wild Indigo Duskywing
Wild Turkey
Wildfowl (Galliformes)
Willow Flycatcher
Willow species
Willows and Poplars (Salicaceae)
Willows and Violets (Malpighiales)
Wilson's Snipe
Wilson's Warbler
Wingstem
Winter Stoneflies (Taeniopterygidae)
Winter Wren
Wolf Spiders (Lycosidae)
Wood Duck
Wood Frog
Wood Thrush
Woodchuck
Woodpeckers (Picidae)
Wrens (Troglodytidae)
Yellow Lampmussel
Yellow Poplar (Tuliptree)
Yellow Warbler
Yellow-bellied Sapsucker
Yellow-billed Cuckoo
Yellow-breasted Chat
Yellow-crowned Night Heron
Yellow-rumped Warbler
Yellow-throated Vireo
Yellow-throated Warbler
Yellowjacket Hover Fly
York Haven Dam
York Haven Diabase
Zabulon Skipper
Zebra Swallowtail

Why are those ducklings in the storm drain?…and so on.

Today, the fate of wildlife diversity, both locally and globally, is largely determined by the actions of sprawling masses of humans. If the conservation/preservation mindset of the public at large fails to broaden beyond lawn care, outdoor recreation, pet-keeping, and the hysteria of cute animal rescue, then at-risk species will have no real chance of long-term survival.

What does all that mean? It means you can stop feeding ducks now. It’s a good start.

Hand-fed waterfowl like these Mallards (polygamous form) quickly domesticate and lose their instinct to migrate. They soon become accustomed to human activity and begin wandering fearlessly into traffic where they are hazards not only to themselves, but to people too. Their incessant foraging within a small range pollutes water, degrades fisheries, and obliterates aquatic food chains, often extirpating entire populations of native plants and animals from local streams and wetlands. The irony of it all: duck feeding damages vital resting and breeding habitats needed by migrating waterfowl, the truly wild ducks and geese. So if you really love ducks, don't feed them. See how easy that is?

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