Black Tern, Photo by Marie Read, Cornell Lab of Ornithology, Cornell University, Visit the website for photographs, description, and learn about its habitat, behavior, nesting, food habits, and

Black-crowned Night-Heron, Photo by William L. Newton, Cornell Lab of Ornithology, Cornell University, Visit the website for photographs, description, and learn about its habitat, behavior, nest

Brown Pelican, Cornell Lab of Ornithology, Cornell University, Visit the website for photographs, description, and learn about its habitat, behavior, nesting, food habits, and more.

Common Gallinule , Cornell Lab of Ornithology, Cornell University, Visit the website for photographs, description, and learn about its habitat, behavior, nesting, food habits, and more.

Crayfish, EnchantedLearning.com, Labeled illustration and information for younger students.

Dragonfly, EnchantedLearning.com, Labeled illustration and information for younger students.

Flora and Fauna of the Okefenokee Swamp, By Richard J. Lenz, SherpaGuides.com, Photos and descriptions of plants and animals that inhabit the Okefenokee swamp.

Forster's Tern, Cornell Lab of Ornithology, Cornell University, Visit the website for photographs, description, and learn about its habitat, behavior, nesting, food habits, and more.

Frogs, EnchantedLearning.com, Labeled illustration and information for younger students.

Great Blue Heron, Wikipedia.org, Article with images (click to enlarge).

Great blue heron, By Robert Naumann, Animal Diversity Web, University of Michigan Museum of Zoology, Visit the website for photos (click to enlarge) and to learn about its habitat, lifespan, beh

Great Blue Heron, EEK! Critter Corner, Wisconsin Department of Natural Resources, For younger students.

Least Bittern, By Kevin T. Karlson, Cornell Lab of Ornithology, Cornell University, Visit the website for photographs, description, and learn about its habitat, behavior, nesting, food habits, a

Manatees, by Lisa Gardiner, Windows to the Universe, Combination of text and images.

National Trappers Association - Nutria, Has fast facts, a photo, map (shows distribution), description, and more.

Pantanal Wildlife, Popular Mechanics, There are 56 photos, with description, of plants and animals in the Pantanal region of Brazil.

Red-winged Blackbird, Cornell Lab of Ornithology, Cornell University, Visit the website for photographs, description, and learn about its habitat, behavior, nesting, food habits, and more.

River Otter, EnchantedLearning.com, Labeled illustration and information for younger students.

Roseate Spoonbill, Photo by William L. Newton / CLO, Cornell Lab of Ornithology, Cornell University, Visit the website for photographs, description, and learn about its habitat, behavior, nestin

Snowy Egret, NatureWorks, New Hampshire Public Television, Image Credits: Clipart.com unless otherwise noted, Visit the website for photos and to learn about its characteristics, range, habitat,

Snowy Egret, Wikipeadia.org, Article with images; click to enlarge.

Species lines blur between two sparrows in New England's tidal marshes, August 31, 2015, University of New Hampshire, ScienceDaily.com, Among birds, the line between species is often blurry. S

Swamp Sparrow, By Michael J.Hopiak, Cornell Lab of Ornithology, Cornell University, Visit the website for photographs, description, and learn about its habitat, behavior, nesting, food habits, a

Swamp Sparrow, BirdWeb, Seattle Audubon Society, Has photos, description, life history, status, an audio of what it sounds like, and links to family members.

The Great Blue Heron, Posted by skipdipdawg, February 24, 2007, YouTube.com, Video length: 03:51.

Thibodeaux's Treasure, Louisiana Coastal Wetlands Conservation and Restoration Task Force, Interactive activity.

Tricolored Heron, NatureWorks, New Hampshire Public Television, Image Credits: Clipart.com unless otherwise noted, Visit the website for photos and to learn about its characteristics, range, hab

Trumpeter Swan, EEK! Critter Corner, Wisconsin Department of Natural Resources, For younger students.

Wacky Wetland Wildlife, Ducks Unlimited Greenwing, Fun interactive activity; click on the buttons and create a new mix of wetland wildlife.

Whooping Crane, EEK! Critter Corner, Wisconsin Department of Natural Resources, For younger students.

Wood Duck, Wikipedia.com, Article with images; click to enlarge.

Yellow-headed Blackbird, By Greg W. Lasley, Cornell Lab of Ornithology, Cornell University, Visit the website for photographs, description, and learn about its habitat, behavior, nesting, food h