All Things Mammal

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Across
  1. 4. producing sounds and listening for the echoes to detect objects
  2. 8. the world's largest animal
  3. 10. active at night
  4. 13. the largest marsupial
  5. 15. salamander that has a long slender eel-like body with minute forelimbs and no hind limbs
  6. 17. fatty organ in a dolphin's head used for echolocation
  7. 18. enlarged incisor of an elephant
  8. 19. tail designed for grasping objects
  9. 20. most familiar primate with tails
Down
  1. 1. an arboreal primate with pointed snout and long tail
  2. 2. any whale that has teeth instead of baleen
  3. 3. active during the day
  4. 5. insect eating
  5. 6. primate without a tail
  6. 7. a whale with plates to filter small prey out of the water
  7. 9. mammal gives birth to immature young and nourishes it in a pouch
  8. 11. pouch of a marsupial
  9. 12. flying mammal of order Chiroptera
  10. 14. only marsupial outside of Australia
  11. 16. also known as a killer whale