Biology

The BBC reports on a new monkey, Cercopithecus lomamiensis, discovered in Tshuapa-Lomami-Lualaba in the Congo.

Factsheet with photographs, physical characteristics, habitat, behavior, diet, predators and threats.

Natural history, systematics, photos and sounds of all gibbon species, publications, and links.

Photographs, videos and classification information from ARKive.

Photographs, video and information from ARKive on this species endemic to south-eastern Madagascar.

Many videos and photographs with details of classification, status, description, range, habitat, biology, threats and conservation.

Photographs and information from ARKive on this species endemic to north-west Madagascar and the Comoros Islands.

The BBC reports that the famous lemurs of Madagascar face such severe threats to their survival that none of them may be left in the wild within 25 years.

Paper on the molecular genetic sequence variation among the sportive lemurs (genus Lepilemur) of Madagascar.

Wikipedia article on this family of scaly-tailed flying squirrels, their characteristics and taxonomy.

Fact sheet from EDGE on this critically endangered species.

Factsheet with photographs, physical characteristics, habitat, behavior, diet, predators and threats.

These rodents are rarely seen as they spend almost all their life underground in extensive tunnels. Information on their habitat, feeding and lifestyle.

Photograph, description, distribution in Texas and habits.

Description, photograph, distribution and habits, from the Mammals of Texas.

Photograph, description, distribution in Texas and habits.

Photographs and information from Wikipedia on this small rodent, its biology, reproduction and classification, keeping hamsters as pets and their health problems.

Fact sheet from EDGE, a conservation organization that focuses specifically on threatened species that represent a significant amount of unique evolutionary history.

Information on this Vietnemese species known only from a few specimens, that is not a true dormouse but mouse-like in external appearance.

Also known as the Norway rat, this species is a supreme generalist and has colonised practically every part of the world. Information, photographs and movies.

Information from ARKive including images and videos.

Description, photograph, distribution and habits, from the Mammals of Texas.

Description, photograph, distribution and habits, from the Mammals of Texas.

Photograph, description, distribution in Texas and habits.

The Washington Department of Fish and Wildlife provides information on Norway and black rats and their interactions with humans.

Offers information regarding nutria (Myocaster coypus), its history in the United States, and fur industry details.

Founded in 2002, this scheme aims to win the support of European governments to secure the future of the red squirrel by controlling the grey squirrel.

Photograph, description, distribution in Texas and habits.

Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation.

Species information, habitat, photographs and video clips.

Facts, FAQ, resources, and links.

Information about research being done by the Mote Marine Laboratory in Florida. Studies include tests for the animal's visual acuity, whisker sensitivity, and lung capacity.

The two extant species of two-toed sloths are Linnaeus's (Choloepus didactylus) and Hoffmann's two-toed sloth (Choloepus hoffmanni). They are the only members of the genus Choloepus and are the only living members of the family Megalonychidae.

Private collection of crocodiles in the UK. Provides information about the different species, their ecology and their conservation.

Photographs and information from ARKive on this species only found in the lower reaches of the Orinoco River in Venezuela and Colombia.

Information from Wikipedia on this large group of reptiles with 5000 species around the world.

An online field guide with pictures to the snakes of Hudpseth County Texas in the Trans-Pecos Region of Texas. Provides collecting tips for those wishing to collect.

Comprehensive information from Wikipedia on this large group of legless reptiles found on every continent except Antarctica.

Taxonomy and ecology of the three species of turtle that are found in the Murray Darling Basin in Australia, their reproduction and conservation status.

Notes on observing sea turtles in Florida.

Description of the different species of marine turtles with illustrations, links to photos. Also includes brief information on sea snakes.

Taxonomy, description and photograph of the gopher tortoise, its habitat and distribution, life history, community ecology and special status.

Article from Wikipedia on this family of turtles commonly known as softshells.

Photographs, description and microscopic features.

Photograph taken in China.

Photograph taken in Illinois.

Description with illustrations of Entodon concinnus and Orthothecium species.

Contains 8 genera and circa 155 species, temperate, tropical and worldwide. Descriptions of several species with an illustration of Leucobryum glaucum.

A photographic image of Tortella humilis.

Photograph taken in China.