Scavengers are animals that eat dead animals or carcasses. They play an important role in an ecosystem by helping break down carcasses; after scavengers are through, decomposers come along to complete the process.

American black bear - Ursus americanus
American black bear - Ursus americanus, By Tanya Dewey, Animal Diversity Web, University of Michigan Museum of Zoology, Visit the website for photos (click for enlargement) and to learn about it
http://animaldiversity.ummz.umich.edu/site/account...
Ants: Facts About Ants
Ants: Facts About Ants, John and Sarah's TEFL Pitstop, Seven interesting ant facts.
http://www.lingolex.com/ants.htm
Cockroaches
Cockroaches, BioKIDS, Kids' Inquiry of Diverse Species, Museum of Zoology University of Michigan, Discover what they look like, their habitat, how they communicate, what they eat, what eats them
http://www.biokids.umich.edu/critters/Blattaria/
Dung beetle, Wikipedia
Dung beetle, Wikipedia.org, Article with a video and photos (click for a larger version).
http://en.wikipedia.org/wiki/Dung_beetle
Earthworms and their relatives
Earthworms and their relatives, BioKids, University of Michigan, School of Education and Museum of Zoology, Discover what they look like, their habitat, how they communicate, what they eat, what
http://www.biokids.umich.edu/critters/Oligochaeta/
EEK! The Turkey Vulture
EEK! The Turkey Vulture, Wisconsin Department of Natural Resources, Information for younger students.
http://dnr.wi.gov/org/caer/ce/eek/critter/bird/tur...
Northern water snake
Northern water snake, BioKIDS, Kids' Inquiry of Diverse Species, Museum of Zoology University of Michigan, Discover what they look like, their habitat, how they communicate, what they eat, what
http://www.biokids.umich.edu/critters/Nerodia_sipe...
Pinacate Beetles (stinkbugs)
Pinacate Beetles (stinkbugs), DesertUSA.com, Article provides photos, description, and information on its range, behavior, habitat, food, and more.
http://www.desertusa.com/mag01/may/papr/sbug.html
Turkey vulture
Turkey vulture, BioKIDS, Kids' Inquiry of Diverse Species, Museum of Zoology University of Michigan, Discover what they look like, their habitat, how they communicate, what they eat, what eats t
http://www.biokids.umich.edu/critters/Cathartes_au...