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...
Birds; Migratory birds; Monitoring; Perching birds; Research; Statistics; Species of concern; Wildlife management;
This is a status assessment and conservation plan for the Cassin's Sparrow. It includes a description and natural history of the bird, as well as range information pertinent to breeding, migration and wintering, monitoring activities, population...
Endangered species; International affairs; Partnerships; Wildlife management; Wildlife restoration;
This is an overview of what Canada and the United States are doing together in order to help protect species the two countries deem as endangered. A description of the background of this partnership is given, followed by ten examples of individual...
A multidisciplinary education guide for grades 2-12 (with sections on "How to Adapt" for Preschool - 1st grade, home schools, youth groups, and nature centers)
Birds; Birds of prey; Endangered species; Migratory birds; Raptors;
This is a fact sheet describing the peregrine falcon in North America. It outlines the history of the bird, its decline in the mid-twentieth century due to DDT, and its successful recovery in the years since.
Flame Skimmer may be our most conspicuous dragonfly – the one most likely to be seen and commented upon by the general public. It is large, bright orange-red, and males perch conspicuously over ponds and lakes. Flame Skimmer is a bright...
The Pacific coast population of western snowy plovers breeds on coastal beaches from southern Washington to southern Baja California, Mexico. Plovers lay their eggs in shallow depressions in sandy or salty areas that generally do not have much...
Our most common salamander. Two color forms. There is no larval aquatic stage; complete development takes place inside the egg.
A lungless salamander, breathing through its skin and mouth lining. Red-backed form has a distinct reddish stripe down...