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nounthe branch of zoology that studies eggs (especially birds' eggs and their size, shape, coloration, and number)type of:
Definition that contains oology
- hood (zoology) an expandable part or marking that resembles a hood on the head or neck of an animal
- collar (zoology) an encircling band or marking around the neck of any animal
- mantle (zoology) a protective layer of epidermis in mollusks or brachiopods that secretes a substance forming the shell
- naturalist a biologist knowledgeable about natural history (especially botany and zoology)
- ichthyology the branch of zoology that studies fishes
- cloaca (zoology) the cavity (in birds, reptiles, amphibians, most fish, and monotremes but not mammals) at the end of the digestive tract into which the intestinal, genital, and urinary tracts open
- ornithology the branch of zoology that studies birds
- entomology the branch of zoology that studies insects
- herpetology the branch of zoology concerned with reptiles and amphibians
- ethology the branch of zoology that studies the behavior of animals in their natural habitats