- altricial
- antidote
- April fools
- arachnid
- batesian mimicry
- Biomass
- by-catch
- carrion
- cephalopod
- crocodillian
- crustacean
- Diurnal
- falconry
- feral
- fledging period
- gestation period
- glutton
- ichthyologist
- invertebrates
- mollusks
- mustelids
- neoteny
- nocturnal
- parkas
- plankton
- prehensile
- ruminant
- spawn
- tide pool
- tundra
- vital
- voracious
- zooplankton
