Diet: Aquatic plants

Beak: white short beak

General behavior:

Nesting: create shallow nest that floats on water

Flight pattern: requires runoff to become airborne

Diet: seeds and insects

Beak: little beak

General behavior: 

Nests: secondary cavity nesters

Feet: 

Flight Pattern: short, weak fluttering flights with rapid wing-beats

Diet: dead animals

Beak: narrow strong hooked beak

Behavior: soar around scavenging. roost in groups

Nests: lay eggs in rocky crevices, caves, tree cavities

Flight pattern: soar

Diet: dead animals

Beak: hooked beak

Behavior: roost in groups, forage alone

Nest: nest in cave

Flight pattern: glide and soar

Diet: fish and small vertebrates

Beak: daggerlike beak

Behavior: social birds

Nest: nest in trees or shrubs with in a colony

Flight: big wing flaps

Diet: fish and small vertebrates

Beak: daggerlike beak

Behavior: social

Nest: nest in colonies high in trees

Flight: slow steady wingbeats