Curated OER
A View on Cities: Budapest: Museum of Natural History
Museum of Natural History (Budapest)
Other
Denver Museum of Nature and Science: Ancient Denvers
What did Denver look like millions of years ago? Find out the answer to this and see how it has changed over time. There is also a list of parks to visit in Colorado.
Smithsonian Institution
National Museum of American History: Feather Trade and the American Conservation Movement
The 19th century love for feather adornments led to a hue and cry by conservationists against the wholesale killing of birds. This site details the time, the feather trade, and the move to curtail it.
Smithsonian Institution
National Museum of Natural History: American Mammals: American Mink
The American Mink, with its luxurious brown coat, is now bred on farms, or mink ranches, to provide fur to the clothing industry. This has relieved some of the stress natural populations endured from trapping over the past two centuries....
Smithsonian Institution
National Museum of Natural History: American Mammals: Western Gray Squirrel
Although Western Gray Squirrels are diurnal, they are secretive by nature and stay away from humans as much as possible. However, they are comparatively frequently hit by automobiles, perhaps because they lack experience of human...
Smithsonian Institution
National Museum of Natural History: American Mammals: Preble's Shrew
Very little is known about the natural history of Preble's Shrew, which has been found in widely separate localities in much of the western United States. Specimens have been collected at elevations of 1,280 m in Oregon and 2,750 m in...
Smithsonian Institution
National Museum of Natural History: American Mammals: Hopi Chipmunk
Hopi chipmunks are naturally timid, and even individuals born in captivity never become tame. Like Panamint chipmunks, they live in southwestern pinyon-juniper forests and nest in rock crevices or piles of broken rock. Learn more about...
Smithsonian Institution
National Museum of Natural History: American Mammals: Townsend's Pocket Gopher
Townsend's Pocket Gophers require deep, moist soils of river valleys and ancient lake beds. Other pocket gophers that are found in the same region, in the northern Great Basin, prefer different soil types: Botta's Pocket Gopher is...
Smithsonian Institution
National Museum of Natural History: American Mammals: Guadalupe Fur Seal
The history of the Guadalupe fur seal during the past century is well documented. The seals were nearly extinguished by hunters seeking their dense, luxurious underfur in the 1800s. Learn more about the Arctocephalus townsendi, more...
Smithsonian Institution
National Museum of Natural History: American Mammals: Bushy Tailed Woodrat
Bushy-tailed Woodrats are highly territorial. A male will permit a female in his territory, but not another male. Learn more about the Neotoma cinerea, more commonly known as a Bushy-tailed Woodrat, in this easy-to-read species overview...
Smithsonian Institution
National Museum of Natural History: American Mammals: Arizona Pocket Mouse
Like other heteromyid rodents, Arizona Pocket Mice are solitary creatures. They spend the day in underground burrows, emerging only at night. Learn more about the Perognathus amplus, more commonly known as an Arizona Pocket Mouse, in...
Smithsonian Institution
National Museum of Natural History: American Mammals: Cotton Deermouse
A medium-sized rodent with large ears and eyes, the Cotton Deermouse is dark golden-brown above with white underparts and feet. It is very similar to the white-footed Mouse, with which it breeds in captivity. Learn more about the...
Smithsonian Institution
National Museum of Natural History: American Mammals: Appalachian Cottontail
The Appalachian Cottontail and the New England Cottontail look almost identical, and for a long time they were thought to be the same species. They are medium-sized rabbits with fine, silky fur. Learn more about the Sylvilagus obscurus,...
Smithsonian Institution
National Museum of Natural History: American Mammals: Bailey's Pocket Mouse
Bailey's Pocket Mice are solitary, nocturnal, and live in burrows. Pocket Mice mostly eat seeds, using their "pockets," fur-lined, external cheek pouches, to bring seeds to their nests, where they store them in preparation for leaner...
Smithsonian Institution
National Museum of Natural History: American Mammals: Common Gray Fox
Gray foxes are adept at climbing trees. They are active at night and during twilight, sleeping during the day in dense vegetation or secluded rocky places. Learn more about the Urocyon cinereoargenteus, more commonly known as a Common...
Smithsonian Institution
National Museum of Natural History: American Mammals: Bobcat
The Bobcat is the most widely distributed native cat in North America. Bobcats occupy many habitat types, from desert to swamp to mountains. Learn more about the Lynx rufus, more commonly known as a Bobcat, in this easy-to-read species...
Smithsonian Institution
National Museum of Natural History: American Mammals: American Pika
American Pikas scent-mark with their cheek glands, and also communicate with both long and short vocalizations. Short calls are uttered as alarms and to announce that they are departing or returning from foraging, and males perform a...
Smithsonian Institution
National Museum of Natural History: American Mammals: Broad Footed Mole
Broad-footed Moles' forefeet are almost as wide as they are long, and their fur is nearly uniformly black. They seem to prefer moist soils, but will inhabit dry areas with large boulders. Learn more about the Scapanus latimanus, more...
Smithsonian Institution
National Museum of Natural History: American Mammals: Arizona Cotton Rat
All cotton rats have a strong connection with grass, which they feed upon, and in which they construct their runways. Within their range in southeast and central Arizona and western Mexico, Arizona cotton rats inhabit only grassy areas...
Smithsonian Institution
National Museum of Natural History: American Mammals: Brush Rabbit
When they are frightened, Brush Rabbits often thump the ground with a hind foot and may also squeal. These very small cottontails use burrows dug by other animals as escape routes, and sometimes climb into shrubs or low trees to avoid...
Smithsonian Institution
National Museum of Natural History: American Mammals: American Black Bear
Most Black Bears hibernate for up to seven months, and do not eat, drink, urinate, or exercise the entire time. In the South, where plant food is available all year, not all bears hibernate, but pregnant females do. Learn more about the...
Smithsonian Institution
National Museum of Natural History: American Mammals: American Marten
American Martens are widely distributed in northern forests across Canada and into Alaska. Only 200 years ago, they were also abundant in the southeastern United States. Learn more about the Martes americana, more commonly known as an...
Smithsonian Institution
National Museum of Natural History: American Mammals: American Bison
The American Bison's recovery from near extinction parallels what happened to the European Bison, Bison bonasus. Once abundant and widespread in northern latitudes, their decline in several countries since the 6th century has been...
Smithsonian Institution
National Museum of Natural History: American Mammals: Bighorn Sheep
Bighorn Sheep live only in remote, treeless mountain terrain. They use steep slopes and cliffs to escape from wolves, coyotes, and cougars. Learn more about the Ovis canadensis, more commonly known as a Bighorn Sheep, in this...