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.
Art Hawkins and Betty Hawkins oral history interview with Mark Madison as interviewer. Various fragments of an oral history/conversational with Art Hawkins and his wife, Betty Hawkins. Date is unspecified.
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...
The Colorado hookless cactus is a barrel shaped cactus that ranges from 1.2 to 4.8 inches (in.) (3 to 12 centimeters (cm)) tall, with exceptional plants up to 12 in. (30 cm) tall. Stems range from 1.6 to 3.6 in. (4 to 9 cm) in diameter. The stems...
The Colorado hookless cactus is a barrel shaped cactus that ranges from 1.2 to 4.8 inches (in.) (3 to 12 centimeters (cm)) tall, with exceptional plants up to 12 in. (30 cm) tall. Stems range from 1.6 to 3.6 in. (4 to 9 cm) in diameter. The stems...
This is reprinted in brochure format from the original Fish and Wildlife Leaflet No. 10 (1987; Supt of Docs no.: 149.13/5:10) This brochure compiles various conversions from metric to English and from English to metric systems, as well as from...
Phacelia submutica is a low-growing, herbaceous, spring annual plant with a tap root. The stems are typically 0.8 to 3 in (2 to 8 cm) long, often branched at the base and mostly lying flat on the ground as a low rosette (Howell 1944, pp....
