Factors affecting clutch size

[L&L Knight <>]

The following item may be of interest to ornithologists ...

Regards, Laurie

http://www.sciencedaily.com/releases/2008/12/081208203911.htm

Why Some Bird Species Lay Only One Egg
ScienceDaily (Dec. 9, 2008) — Why do some species of birds lay only  
one egg in their nest, while others lay 10 or more?
A global study of the wide variation among birds in this trait, known  
as the "clutch size," now provides biologists with some answers. The
study, published in the current issue of the journal PLoS Biology,
combined data on the clutch sizes of 5,290 species of birds with
information on the biology and environment of each of these species.

<snip>==============================www.birding-aus.org
birding-aus.blogspot.com

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