Birds

1. Birds

2. Taxonomy Kingdom Anamalia Phylum Chordata Subphylum Vertebrata Class Aves

3. Size Hummingbird (0.35 oz) to Ostrich (10ft tall, 275 lbs)

4. Habitat • Mountain tops • Jungles • Deserts • rooftops

5. Origin • Possibly developed from small tree climbing dinosaurs • Feathers evolved as a method of insulation

6. Archaeopteryx • Earliest known bird (140 mya) • Reptilian characteristics – bony teeth, tail, claws • Bird characteristics – feathers, bones (light)

7. Characteristics of Birds • Head, trunk, tail • Bones – lightweight • Air sacs • Teeth – none • Wings, 2 legs • Endothermic • Heart – four chambers • Feathers • Amniotic egg

8. Who experiences adaptations? • All species have experienced adaptation and will continue to slowly adapt as the next generations are born. • We will identify certain adaptations of birds and talk about how this has helped them survive in their individual habitats.

9. Bird Adaptations feet

10. Beaks Short, thick conical beaks are used for cracking seeds Short, thin beaks are used for catching insects Sharp, curved beaks for eating small animals

11. Long, thin beaks for getting nectar from flowers Long flat beaks for eating food from the lake bottom Long, hard, and sharp beak for drilling holes

12. Beaks

18. Match the bird beaks to the food they are adapted to eat.

19. Feet Large curved claws are used to grab fish or other small animals Webbed feet are used for swimming

20. Feet with 3 toes in the front are used for running and walking Feet with 2 toes in the front and 2 toes in the back are used for climbing Feet with a long back toe, lets them grab a branch tightly

21. Feet

25. Match the bird feet to what they are adapted to be used for. • Running • Climbing • Swimming • Grabbing on tightly to a branch

26. Legs

29. Wings

32. Coloration