Vertebrates (animals with vertebrae) constitute a large group of animals including fish, amphibians, reptiles, birds, and mammals.

The film discusses the characteristics and classifications of chordates, a group of animals that includes vertebrates and some simpler forms. Key features of chordates include a pharyngeal ...

The motivation behind everything that animals do is to stay alive, at least until they have produced offspring. Any species ...

Earth’s amphibians are in serious trouble, but there is still time to save this unique class of animals. A study published October 4 in the journal Nature finds that two out of five amphibians ...

Vertebrates and invertebrates can be sorted into smaller groups. Vertebrates, for example, are divided into mammals, birds, reptiles, amphibians and fish. Image caption, ...

Amphibians have one more thing to worry about--mercury Date: October 30, 2023 Source: U.S. Geological Survey Summary: The first widescale assessment of methylmercury in adult amphibians in the U.S ...

Amphibians and reptiles are cold-blooded animals. Amphibians live in water and on land. Reptiles primarily live on land. Amphibians have moist skin and lay eggs in water. Reptiles have scales and ...

Why do some animals have bright colors that impress mates while others use them to ward off predators? It depends on the activity schedule of their ancestors, new research reveals. Species that ...

Chytridiomycosis, the most deadly disease afflicting vertebrates in recorded history, has wreaked havoc on amphibians for decades, including frogs, toads and salamanders.

Amphibians are a class of cold-blooded vertebrates that include frogs, toads, salamanders and newts. They live on all continents across the globe except for Antarctica and have porous eggs and ...

RESTON, Va. — The first widescale assessment of methylmercury in adult amphibians in the U.S. to date shows that, in amphibians, this toxic compound is common, widespread and, at least for some ...