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...
Seventy-five years of successful
wildlife management is the
remarkable legacy of the
Restoration Act, and the cause
of our 75th celebration. Along
with the Dingell-Johnson Sport
Fish Restoration Act, it is the
This classification, to be used in a new inventory of wetlands and deepwater habitats of the United
States, is intended to describe ecological tax, arrange them in a system useful to resource managers,
furnish units for mapping, and provide...