Biology News
Photos: For a second straight February, flowers and frogs have that spring feeling - Washington Post

Washington Post
Washington just witnessed its warmest back-to-back winter days in recorded history, and flora and fauna have suddenly awakened. Frogs are croaking, and some buds are bursting. But much like last year, this may be just a tease. A wintry weather pattern ...

Dear Naturalist: Our early blooming skunk cabbage - Citizentribune

A crushed leaf exudes a skunk-like odor, and ingested leaf juice calls forth a strong inflammatory reaction in the mouth and esophagus of human beings. Few creatures eat the leaves. For this and many other reasons, an individual plant can survive for ...

Disappearing frogs are an unfortunate effect of destruction of ecology due to human activity - Firstpost

When was the last time you saw or even heard a frog ? Twenty years ago. One of the reasons why we have so many mosquitoes is because we have killed off their main predators – the frogs. For many years we exported millions of frogs' legs to France, cut ...

Leaf Frogs

Arlington Heights - United States

Photographs and information on several well camouflaged frogs of the Megophrys genus commonly known as leaf frogs, horned frogs or litter frogs.

Leaf Identification
United States

Instructional unit from the Department of Horticulture at Penn State University. Includes information on identifying leaves by structure, shape, groupings, margins, and arrangement.

True Frogs
United States

Photographs and information on several frogs from Southeast Asia in the genus Rana.

Microhylid Frogs
United States

Photographs and information on several frogs from Southeast Asia in this family.

United States

Photographs and information on several frogs in the genus Theloderma from Southeast Asia.

Frogs of Tasmania

A guide to Tasmania's frogs from the Tasmanian Parks and Wildlife Service. Includes sound files of frog calls.

MidWest Frogs
United States

Video clips of frog calls in QuickTime format.
United States

Amphibian Conservation Alliance site with information and resources related to amphibians and amphibian conservation in the USA.

Exploratorium: Frogs
United States

Includes online exhibits like Frog Tracker that lets you listen to the calls of different North American frogs and Disappearing Act, which shows how frogs use camouflage to avoid predators. The site also includes activities and articles.

Frogs for Kids
United States

See pictures of frogs, find out what kinds of frogs live in Minnesota, hear what their calls sound like, print out pages to color, and learn lots about frogs. From the Minnesota Pollution Control Agency.


Guide to identify, understand, and appreciate the state's tailless amphibian species.