Overview

billing


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During birds’ courtship, a behaviour in which a pair touch or clasp each other's bills. This appears to reinforce the pair bond (see bonding). In gannets (Sula bassana) the pair raise their bills and clatter them together repeatedly. A male puffin (Fratercula arctica) touches the female's bill with a nibbling action.

Subjects: Zoology and Animal Sciences.


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