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.

Friday, 11 April 2014

Counting the invisible by sound: New approach to estimate seabird populations

Date:
April 9, 2014

Source:
Pensoft Publishers

Summary:
Many seabird species nest underground, approach their nests only during darkness, and are essentially invisible on land and impossible to count. By deploying automated sound recorders on a remote island and counting the recorded calls, a team of seabird researchers was able to estimate the size of a breeding colony of shearwaters on a remote island in the North Atlantic.


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