As regular CFZ-watchers will know, for some time Corinna has been doing a column for Animals & Men and a regular segment on On The Track... particularly about out-of-place birds and rare vagrants. There seem to be more and more bird stories from all over the world hitting the news these days so, to make room for them all - and to give them all equal and worthy coverage - she has set up this new blog to cover all things feathery and Fortean.

Saturday, 6 October 2012

In captivity, rare birds suffer empty nests

U. SHEFFIELD (UK) — Critically endangered birds often fail to reproduce in captivity or the wild, but new methods may make it easier for scientists to keep these species going.

The newly developed methods allow experts to tell the difference between infertility and very early embryo death—something that has never been done before in endangered species.

Researchers from the University of Sheffield’s department of animal and plant sciences believe their new method of assessing egg fertility, ensuring pairs are sexually compatible, and the males are producing enough sperm could save bird species on the brink of extinction.


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