While poking around the garden the other day I found an adorable visitor, a small frog called a gray tree frog (Hyla versicolor) resting among the brightly colored flowers. This amazing little ...

During the last glaciation, a huge ice shield reached up to the region of today’s Berlin. By the time it started to melt about 20,000 years ago, it enabled a gradual re-colonization of the northern ...

While working on her PhD in 1992, Karen Lips went to Las Tablas, Panama, to study the biology of a tree frog, Hyla calypso, an inch-long, spiny, bright-green creature. As she walked through transects ...

A juvenile American tree frog (Hyla cinerea) of unknown age was presented to the Exotic Service at the Tufts University School of Veterinary Medicine for an acute onset of swelling of the left front ...

We studied four breeding aggregations of the Costa Rican treefrog, Hyla pseudopuma, an anuran that breeds explosively in ephemeral ponds following heavy rains. We tested the hypothesis of non-random ...

Question: About two months ago I found a tree frog in my parents backyard and was curious about the species of the frog. From what I can tell it appears to be a Gray Tree Frog however it is quite ...

Sometimes things are not as they seem in the animal kingdom. While there are many species that employ a method of mimicry to give them the appearance of another species – usually a harmless creature ...

Long before winter seals the forest under ice, certain frogs begin preparing for a transformation that defies basic biology. The wood frog (Rana sylvatica), along with a few treefrog species like the ...

Assessing in wild populations how fitness is impacted by inbreeding and genetic drift is a major goal for conservation biology. An approach to measure the detrimental effects of inbreeding on fitness ...