Down--a fluffy undercoating common to all birds--is the finest insulating material known to people. In the U.S. millions of people buy down-insulated clothing because it is lightweight, warm, and comfortable. A down sleeping bag, only two-inches thick, can keep its user comfortable, at 30-degrees Fahrenheit with 10 miles per hour winds. (ERB)

Describes the behavior and characteristics of Canada geese. (CM)

Describes the redwing blackbird, focusing on the period from March, when the redwings migrate to the northern United States to begin the breeding cycle, to September, when they start to flock for their migration south. Topics include physical characteristics, habitat, breeding, nest building, and migration. (JHZ)

Illustrates the use of nomenclature or binomial classification of animals, birds, and plants in using color, physical characteristics, numbers, places, direct meanings, behaviors, uses, and names for people. (ERB)

Suggests activities for the study of hawk migration: development of identification skills using the accompanying flying hawk silhouettes, photographs, and drawings; binocular spotting games; selection and outfitting of a hawk watching station; follow-up map study; ecological and historical perspectives. (NEC)

Describes activities and resources that mix fun with scholarship in a secondary, elective ornithology course: all-day and class-period field trips; use of field guides, textbooks, periodicals, films, puzzles, records, correspondence courses; bird-banding operations; wildlife rehabilitation centers; Federation of New York State Bird Clubs; New York…

The Asa Wright Nature Center, on the Caribbean island of Trinidad, offers a diversity of wildlife species: 108 mammals, 400 birds, 55 reptiles, 25 amphibians, and over 600 butterflies. Learning opportunities include art and photography instruction, lectures, interpretive nature walks, annual resident seminars, and a two-day trip to Tobago. (MH)