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...
Albert Novara oral history interview as conducted by Mark Madison. Albert Novara joined the federal government as a flyways biologist conducting aerial surveys. He flew in Canada, Mexico, North Dakota and the Arctic.
This publication is is the result of a Fish and Wildlife Countermeasures Coordination Project undertaken by the U.S. Fish and Wildlife Service (USFWS). The goals of the project include the development of national “best practices” using...
David L. Spencer oral history interview with Jim King. Please note: Dave passed away February 9, 2000, before these tapes were transcribed and he had the opportunity to edit the draft.
A gray wolf fitted with a radio collar is released into the wild. The gray wolf or Canis lupus, often known simply as the wolf, is the largest extant wild member of the Canidae family. Though once abundant over much of Eurasia, North Africa and...
