Showing posts with label
age and sex of birds
.
Show all posts
Showing posts with label
age and sex of birds
.
Show all posts
Tuesday, 28 January 2014
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More on aging and sexing Rufous Whistlers Following some interesting feedback on the previous piece on aging and sexing Rufous Whistlers P...
Friday, 27 December 2013
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Brown Treecreepers: How to tell their age and sex I am building up a portfolio of photographs which show how to age and sex various spec...
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