Mammals
Discover mammals, their habitats, diets, behavior and adaptations.
Explore topic
Discover the living world
Explore the Animal Kingdom and the Wonders of Nature
Welcome to Criatura.org, a place to explore animals, wildlife, plants and biodiversity. Discover species, learn about habitats and behavior, and find educational resources for curious minds.
Animal discovery
Wildlife education
Nature and biodiversity
Explore the animal kingdom
Discover Animals From Every Corner of the Planet
Explore animal groups, adaptations, habitats and the extraordinary diversity of life. Choose a topic to begin your journey.
Birds
Explore bird species, migration, feathers, flight and nesting behavior.
Explore topicReptiles and Amphibians
Learn about snakes, lizards, turtles, frogs, salamanders and their habitats.
Explore topicFish and Marine Life
Discover freshwater fish, ocean animals, coral reefs and aquatic ecosystems.
Explore topicInsects and Arachnids
Explore insects, spiders, pollinators, adaptations and their ecological roles.
Explore topicEndangered Species
Understand conservation challenges, threatened wildlife and habitat protection.
Explore topicDinosaurs and Extinct Animals
Explore prehistoric life, extinction, fossils and the history of animal evolution.
Explore topicNocturnal Animals
Learn how nocturnal species hunt, navigate and survive after dark.
Explore topicMore to discover
Understand Wildlife, Habitats and the Natural World
Learn how animals interact with their surroundings and why healthy ecosystems matter.
Habitats and Ecosystems
Discover forests, rainforests, deserts, mountains, grasslands and polar environments.
Learn morePredators and Prey
Explore food chains, hunting strategies, defense mechanisms and ecological balance.
Learn moreVenomous and Dangerous Animals
Learn about venom, defensive adaptations and responsible wildlife awareness.
Learn moreBiodiversity and Conservation
Understand biodiversity, invasive species, habitat loss and conservation efforts.
Learn moreAn Animal Encyclopedia for Curious Minds
Criatura.org aims to make learning about animals and nature engaging and accessible. Explore species information, animal groups, habitats, adaptations, diets, behavior and conservation topics.
- Learn about animal characteristics and adaptations.
- Explore ecosystems and relationships between species.
- Build knowledge of biodiversity and wildlife conservation.
Plants, Habitats and Biodiversity
Animals depend on plants, clean water and functioning ecosystems. Explore the connections between wildlife, plant life, habitats and environmental change.
- Discover the role of plants in animal habitats.
- Learn about pollinators and food webs.
- Understand habitat protection and biodiversity.
Interactive learning
Animal, Pet and Nature Tools
Find available interactive resources for exploring animal facts, pet care, plant safety and biodiversity. Only tools that currently exist on the server are listed here.
More interactive tools are on the way
Explore our animal and biodiversity topics while additional tools are being developed.
Explore nature around the world
Animals and Plants by Country
Discover the wildlife, native animals, distinctive plants and ecosystems associated with countries around the world. Our dedicated country guide will bring these topics together in one place.
Explore the Country GuideThis link is for the separate country-guide page, which needs to be created before it can be used.
Wildlife • Plants • Countries • Habitats
Keep exploring
Every Species Has a Story
From tiny insects to ocean giants, explore the diversity of life and discover how living things are connected. Start with an animal group, explore a habitat or learn about conservation.