Animal Trivia

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Across
  1. 3. What is the process by which some animals produce light called?
  2. 4. How many hearts does an octopus have?
  3. 8. What is a group of pandas known as?
  4. 10. What animal has the longest tongue?
Down
  1. 1. What animal has the largest brain relative to body size?
  2. 2. What is the world's fastest bird?
  3. 5. What is the loudest animal on Earth?
  4. 6. What is the only mammal capable of true flight?
  5. 7. What is the term for the study of birds?
  6. 9. What is a group of crows called?