Amphibians

Living the Scientific Life (Scientist, Interrupted)

Category archives for Amphibians

tags: Rhabdophis tigrinus, snake, toad, toxins, evolution The Asian snake, Rhabdophis tigrinus, obtains toxins from toads it eats and uses the potent chemicals as a defense against predators, according to a new study. The toxin-containing glands are clearly visible on this juvenile snake as a large ridge on the back of the neck. The snake…

Frog

Cuban Tree Frog, Osteopilus septentrionalis from the photographer’s back yard in Central Florida. The photographer writes; As you may or may not know, the Cuban Tree Frog is an invasive species in Florida, having worked (or hitchhiked) its way up from Cuba and/or other Caribbean islands. It is an ugly, voracious predator that likes to…

What Is Really Killing Frogs?

The strawberry poison frog, Oophaga pumilio, is one of the species of amphibians and reptiles declining in the lowland forests of Costa Rica. Image source: BBC News. The recent decline in frogs and other amphibians has been blamed on a deadly fungus, Batrachochytrium dendrobatidis. However, a paper was published this week that proposes another reason…

The Panamanian golden frog, Atelopus zeteki, is one of roughly 110 species of harlequin frog (Atelopus), many of which are dying out. Although this species still survives, its numbers have fallen significantly. Image source.

Green Tree Frogs

Green Tree Frogs, Hyla cinerea. Nelson Farms Preserve, KPC, NABA Butterfly Count, 4 September 2006. Biosparite writes; For the sake of completeness, here is the entire frog photo from an earlier image. The male is supposed to be smaller than the females. Color is variable, but the paler specimen may be a female. Image: Biosparite.…

RainForest

A frog on a temperate rainforest floor in the Pacific NorthWest. Here’s one of my first photos taken with my Pentax K100D, significantly compressed for blog purposes. Image: David Warman. How many different species of flora and fauna can you identify in this picture, amigos bonitos? I am receiving so many gorgeous pictures from you,…

Blue-Spotted Salamander

Blue-spotted Salamander Ambystoma laterale Photographed on the same day as the one shown previously. Image:

Yellow-spotted Salamander

Spotted Salamander, Ambystoma maculatum. Photographed when a friend and I were out looking for herps and spiders in south of Ottawa, Ontario in Sept. 2005. Image:

Green Frog

Green Frog, Rana clamitans. Photographed while I was doing some frog pond surveys as a volunteer working with grad a university in eastern Ontario Image:

Please Pass the Soylent Green

29% of all fish stocks have collapsed. 32% of all amphibians globally are threatened with extinction, and 43% of all amphibian species are in decline. 14% of all bird species are predicted to be extinct by 2100 (as opposed to 1.3% for the 500 years previous), and total number of birds globally estimated to have…