This is a guide to altricial passerines. It has an explanation of variables used for aging birds and an explanation of methodology employed, and provides information obtained while recording the early aging of the Dusky Flycatcher, the Carolina...
The purpose of the National Fish, Wildlife and
Plants Climate Adaptation Strategy is to inspire
and enable natural resource administrators,
elected officials, and other decision makers
to take action to adapt to a changing climate.
Adaptation...