The scales on crocodiles’ heads are very different from the skin appendages of other animals and even distinct from the scales on the rest of their bodies ...

Species across the animal kingdom use all kind of strategies to attract a mate: enticing pheromones, showy plumage, fierce fights with rivals. The transparent, rice-grain-size fish Danionella cerebrum ...

They’re also one of the world’s largest arthropods, animals with no backbone, external skeletons, and multiple-jointed appendages. In this crab’s case, those appendages are its 10 legs.

All the basic body plans found in nature today are here: bodies with heads, tails, and appendages, all specialized segments performing specialized functions. All animal evolution for the last half ...

But in the churn of natural selection, some mammals ended up with appendages that look like ... This story was originally published on May 7, 2021. Animals Scale Tooth Whale Get the best tech ...

Their long appendages were covered in 'very short spines ... different functions similar to arthopods - an invertebrate ...