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...
videography; restoration; native species; fish management; aquatic animals; extinctions; fishes
Native Aquatic Species Restoration Webinar Series: "Perspective on Extinctions". Presented by Laura Cunningham, author. October 19, 2011.
A state of change: forgotten landscapes of California: ecological change and extinction through deep time.
Work of the Service; Employees (USFWS); Wildlife management; Tagging; Monitoring; Mammals; Boreal forests; Service patch
Wildlife biologist Mark Bertram carefully injects tranquilizer into a denning black bear in order to collect data and attach a radio collar which was part of a black bear breeding, denning, and movement study on the Yukon Flats National Wildlife...
Tall white spruce shade the mossy forest floor near a lake on the Yukon Flats NWR.Trees; Scenics; Landscapes; Forestss; Boreal Forests; Yukon Flats National Wildlife Refuge; YFNWR; Species; Vegetation; Trees