Xantus's murrelet 
10,000 Birds
MARCH 11, 2011
Our methods have changed over time — Linneaus, for example, chose not to classify bats among birds — but now, detailed molecular analyses can confound even the most comprehensive and rigorous morphology-based hypotheses, not to mention “obvious&# groupings.
10,000 Birds
JULY 11, 2012
Wildlife conservation is concerned with protecting wildlife at the level of species or perhaps population. With the exception of species that number in the hundreds, conservation biologists are not as concerned with the fates of individual animals, it is only when such fates of many individuals are added up do they begin to worry.
Expert insights. Personalized for you.
155 
Let's personalize your content