From scales to feathers to fur, vertebrates clothe themselves in a ... of Geneva biologist Michel Milinkovitch visited an Italian animal fair, found scaleless, “naked” bearded dragons for ...

Researchers have long debated about the relationship between avian and mammalian intelligences. One possibility is that intelligence in vertebrates — animals with backbones, including mammals and ...

The earliest vertebrates were simple, jawless creatures that resembled today’s lampreys and hagfish. These animals didn’t yet have bones, just flexible cartilage for support. Despite their ...

Animals are divided into two main groups: Animals with a backbone are called vertebrates. Animals without a backbone are called invertebrates. Vertebrates and invertebrates can be sorted into ...

Vertebrates are thought to have emerged during the Cambrian explosion around 520 million years ago, but the point in time at which these animals branched away from the phylum of chordata, which lack ...

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 Cambrian Explosion saw an incredible diversity of life emerge, including many major animal groups alive today. Among them were the chordates, to which vertebrates (animals with backbones ...

Naturalist David Attenborough embarks on a 500-million-year journey to track the rise of the vertebrates, which he considers one ... to trace the evolution of animals with backbones. The fossils, ...