Ezra 
Frogs and tadpoles have skin composed of thin membranous tissue that is quite permeable to water and contains a large network of blood vessels. They use this skin to breathe, and also to absorb water to rehydrate. Their skin does not just absorb oxygen and moisture though, many chemicals used in the treatment of tap water can also be absorbed. … Read more
Amazon milk frogs (Trachycephalus resinifictrix), sometimes called mission golden-eyed tree frogs – are fairly large tree frogs native to the Amazon Rainforest in South America. These frogs are a popular pet due to their unique appearance, and docile nature. But are Amazon milk frogs poisonous? Amazon milk frogs are mildly poisonous. When stressed, they produce a milky toxic skin secretion … Read more
Most frog species are nocturnal, which means they are most active at night. They have developed several adaptations to suit this lifestyle, and one of them is night vision. Frogs can see in the dark because the structure of their eyes, and specifically their retinas, permits them better vision than humans when light levels are low. Their … Read more
All living things on the surface of the planet are exposed to ultraviolet light to some extent. Diffused and reflected UVB will penetrate into deep shade and even nocturnal creatures may be exposed to small amounts whilst hidden in their daytime retreats. Exposure to UVB allows frogs to synthesize vitamin D in their skin, which … Read more
All living things on the surface of the planet are exposed to ultraviolet light to some extent. Diffused and reflected UVB will penetrate into deep shade, so even creatures on the floor of thick rainforests may be exposed to small amounts of UVB. Exposure to UVB allows poison dart frogs to synthesize vitamin D in … Read more
The American toad (Anaxyrus americanus) is a common species of toad found throughout Canada and the eastern United States. Like most other toads, American toads are obligate carnivores as adults, which means they only eat animal-based and do not eat eplants. American toads are generalist predators and will eat almost any prey they can catch, … Read more