Dec 9, 2025 · Animal, any of a group of multicellular eukaryotic organisms thought to have evolved independently from the unicellular eukaryotes. Animals differ from other multicellular eukaryotes, the …

Animal body lengths range from 8.5 μm (0.00033 in) to 33.6 m (110 ft). They have complex ecologies and interactions with each other and their environments, forming intricate food webs.

The world’s largest & most trusted collection of animal facts, pictures and more! Discover more than 1,000 new animals today!

Learn about some of nature’s most incredible species through recent discoveries and groundbreaking studies on animal habitats, behaviors, and unique adaptations.

May 26, 2023 · An animal is a complex, multicellular organism that belongs to the biological kingdom Animalia – the animal kingdom. Animals range from relatively simple organisms such as sponges …

Welcome to Animalia, an online animal encyclopedia where you can learn about all your favourite animals, and even some you may have never heard of.

From reptiles and amphibians to fish, birds and mammals, meet the animals at the Smithsonian's National Zoo and Conservation Biology Institute.

ANIMAL definition: any member of the kingdom Animalia, comprising multicellular organisms that have a well-defined shape and usually limited growth, can move voluntarily, actively acquire food and digest …

Dec 31, 2024 · Explore the animal kingdom with detailed scientific guides, species characteristics, behaviors, habitats, and interactive resources for comprehensive learning and discovery

Although scientifically humans are animals, in everyday usage, animal often refers to any member of the animal kingdom that is not a human being, and sometimes excludes insects (although including such …