Title

Filial cannibalism at a House Finch nest

Document Type

Article

Publication Date

1-1-2005

Abstract

We report on a female House Finch (Carpodacus mexicanus) eating one of her own eggs from a clutch of six on the 3rd day of incubation. This observation is a confirmed case of filial cannibalism in the egg stage. The reason for this behavior is unknown, but we suggest and discuss three possibilities: (1) an idiosyncratic response to human disturbance, (2) removal of a damaged egg from the nest, and (3) facultative brood reduction in the egg stage.

Publication Name

Wilson Bulletin

Volume Number

117

First Page

413

Last Page

415

Issue Number

4

DOI

10.1676/04-003.1

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