Title: Other vertebrates
1Other vertebrates
Phylum Chordata 7 Classes Chondrichthyes --
sharks Agnatha jawless fish
(lampreys) Osteichthyes bony
fish Amphibia Reptilia Aves Mammalia
2- Amphibians
- Salamanders -- predators
- Streams
- Hellbenders, Desmognathus -- fish with legs
- Lakes
- Tiger salamanders breed in temporary pools
- Newts
3- Amphibians (cont.)
- Frogs and toads immatures aquatic scrapers,
adults terrestrial predators but often feed on
adult aquatic insects
42. Reptiles Water snakes Turtles Crocodiles and
alligators Mostly predators except some turtles
5- Birds 11 orders with representatives that are
closely associated with freshwater - Egrets, Herons waders, predators
- Gulls, pelicans predators
- Ducks, geese predators, grazers
- geese feed terrestrially, defecate in water
add nutrients - Cormorants, anhengas divers, predators
- Eagles, ospreys, kingfishers predators
- Spoonbills, flamingos filter feeders,
zooplankton - Sandpipers -- invertebrates
64. Mammals Bears piscivores sometimes Beavers
Ecosystem engineers 60-400 Million in NA
before Europeans Almost extinct, 6-12 million
today Convert streams ?lakes Feed
terrestrially Moose grazers Hippos terrestrial
grazers Coons predators Otters, mink
predators Platypus invertebrates Manatees
feed on aquatic plants