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Zoological terms

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

Contributors in Zoological terms

Zoological terms

Rachis

Zoology; Zoological terms

The rachis is the section of the central shaft of a feather to which the vanes are attached.

Radula

Zoology; Zoological terms

A rough, raspy tongue used to grate food, characteristic of most mollusks.

Range

Zoology; Zoological terms

The geographic area or spatial distribution in which a species is normally found.

Synapomorphy

Zoology; Zoological terms

A new trait or structural feature that arises in an evolving lineage that is shared between two or more sister groups that illustrates their close relationship.

Supplemental plumage

Zoology; Zoological terms

A generation of feathers, additional to the basic and alternate plumages, found in a few birds that have more than two moults per year

Subelliptical

Zoology; Zoological terms

Egg shape rounded at both ends but elongated and tapering toward the rounded ends, with the broadest point nearer one end than the other

Subspecies

Zoology; Zoological terms

A geographical subset of a species showing discrete differences in morphology or coloration compared to other members of the species.

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