Bar-tailed Godwits are large wading birds at about 37 to 45 cm. The Bar-tailed Godwit is a mottled brown in the upper body and a lighter buff below. It has a white underwing, and a long, slightly upturned bill. As the name suggests, the white tail...
White-tailed deer are generally distinguished from mule or black-tailed deer by their longer tail that is brown rather than black on the dorsal surface, a smaller metatarsal gland, and, in adult males, antlers with prongs arising from a single main...
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...
White-tailed deer are generally distinguished from mule or black-tailed deer by their longer tail that is brown rather than black on the dorsal surface, a smaller metatarsal gland, and, in adult males, antlers with prongs arising from a single main...
White-tailed deer are generally distinguished from mule or black-tailed deer by their longer tail that is brown rather than black on the dorsal surface, a smaller metatarsal gland, and, in adult males, antlers with prongs arising from a single main...
White-tailed deer are generally distinguished from mule or black-tailed deer by their longer tail that is brown rather than black on the dorsal surface, a smaller metatarsal gland, and, in adult males, antlers with prongs arising from a single main...
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)
Fisheries management; Fishes; Rivers and streams; Tropical environments;
This document serves as the Final Report for research on Puerto Rico stream fishes and their habitat funded by the Puerto Rico Department of Natural and Environmental Resources, in the form of a grant to the North Carolina Cooperative Fish and...
This is the 1998 status assessment of the scaleshell mussel in the United States. It includes biological information on the species, distribution status information and detailed status figures.
Birds; Grasslands; Migratory birds; Perching birds; Research; Species of concern;
This is a description of the molt and aging criteria for four grassland passerines. The species covered are Sprague's Pipit, Grasshopper sparrow, Baird's sparrows, and Chestnut-collared Longspurs. Molt information is important for determining...
Similarity of Appearance (Threatened); Surveying; Reptiles; Partnerships; Work of the Service;
The bog turtle is the smallest turtle in North America. The species is protected under the Endangered Species Act and faces great threats from both poaching and habitat degradation as the wetlands where they live have disappeared dramatically over...
