External Anatomy

3. top of the head in birds.
5. covert smaller feathers that cover the base of the quills of the wing and tail feathers.
8. feathers on the back of a bird.
9. transparent layer that covers the eye of a snake.
10. fleshy part of the side of an animal between the ribs and the rump/croup.
12. part of the foot the animal walks on
13. major organ of the respiratory system for fish that allows them to breathe without lungs
14. coverts feathers covering the ears.
15. fleshy part of the beak that surrounds the nostrils.
17. part of an animal's body just above the elbow of the foreleg
18. extension of the epidermal layer of skin that have been modified to provide protection.

1. web of skin that allows the fish to move through water.
2. loose fold of skin under the chin of an animal - most common in female rabbits
3. top of an animal's head
4. ring encircling the eye.
5. long projecting hairs/bristles growing near the mouth.
6. lower jaw/beak
7. joint above the hock in the hind leg
11. tarsal joint or large joint halfway up the hind limb
16. projecting jaw that contains the nose and mouth.
19. upper rounded part of the hindquarter
20. epidermal scales on turtles