For the five groups of vertebrates (birds, mammals, reptiles, amphibians and freshwater fishes) the loss of species currently identified as threatened by extinction by the International Union for ...

The 2020 paper also indicated that this form of communication arose repeatedly and independently in most major vocalizing vertebrate groups, including birds, frogs and mammals—the opposite of ...

There are lots of vertebrates in the animal kingdom. Vertebrates are animals that have a backbone inside their body. The major groups include fish, amphibians, reptiles, birds and mammals.

The craniofacial complex—encompassing the skull and associated soft tissues—is one of the most structurally sophisticated and evolutionarily diverse anatomical regions in vertebrates. It supports a ...

However, records from these eras are patchy. This is because frogs are understudied in comparison with other vertebrate groups, with frog paleontology being an especially small field. This posed a ...

The creature is thought to be the most primitive example of a so-called “deuterostome” – a broad biological category that encompasses a number of sub-groups, including the vertebrates.