Zoological terms

Zoological terms

Terms in relation to animals, such as mammals, birds, reptiles or fish.

Industry: Zoology

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Zoological terms

bird

Zoology; Zoological terms

A bird is an animal that belongs to the Class Aves. Birds are a diverse group of vertebrates that evolved from reptiles during the Mesazoic Era about 150 million years ago.

birth rate

Zoology; Zoological terms

The average number of offspring produced per individual per unit of time. Birth rate is often expressed as a function of age.

blowhole

Zoology; Zoological terms

A hole on top of a cetacean's head through which air is inhaled and exhaled. The blowhole is found on top of the head so as to prevent water from flowing into the lungs.

boreal

Zoology; Zoological terms

Referring to the coniferous forest regions that extend throughout areas of North America (Canada), Europe and Asia.

boundary layer

Zoology; Zoological terms

A layer of slow-moving water or air that lies just above the surface of an object

bow riding

Zoology; Zoological terms

The behavior of cetaceans (commonly dolphins) in which they swim or 'ride' the crests of ocean waves.

breeding system

Zoology; Zoological terms

The type of breeding behaviors characteristic of a population (polygyny, outcrossing, or selective mating) and the ways in which members of the population adapt to these breeding behaviors