Examples | Environment.org

Keystone species are species that hold an ecosystem together; without them, the ecosystem wouldn’t function. Some keystone species are predators, some are herbivores, but whatever their place in the food chain, all of the other species in the ecosystem rely on them.

On this page are examples of keystone species from ecosystems in different parts of the world.

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Listed below are examples of keystone species. Scroll down to browse all of the animals, or use the index below to see information on a particular species.

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Animal Sounds – Listen To Amazing Examples Of Animal Sounds

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On this page, you can listen to many different animal sounds and discover why being able to make and hear sounds is a vital part of the lives of many different types of animals.

The melodic songs of birds, the howling of a pack of wolves and the mournful calls of whales are some of the best-known examples of animal sounds. (Scroll down to hear examples of these sounds.)

Most animal sounds are made for the purpose of communication, but some animals (for example, bats and dolphins) also make sounds for navigation and hunting.

Understanding why animals make sounds and how they use them for attracting mates, territory defense, warning signals, social interaction, and navigation provides a deeper appreciation of the lives of these animals. You can read interesting facts about the animals and their sounds below.

If you like …

Echinoderms Examples: Types Of Echinoderms From Around The World

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Echinoderms are a group of animals that include starfish, sea urchins, sea cucumbers, brittle stars, sea lilies and feather stars. On this page is a complete guide to echinoderms, with examples of different types of echinoderms from around the world.

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What Is An Echinoderm?

An echinoderm is an animal belonging to the phylum Echinodermata. Echinoderms are characterised by their distinctive, five-point radial symmetry, unique water vascular system, tube feet, and the ability to regenerate lost body parts.

The phylum Echinodermata includes over 7,000 living …

Types of Dinosaurs: Dinosaur Families & Groups, Examples, Pictures & Facts

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Dinosaurs inhabited Earth for around one hundred and seventy million years (far longer than the period of time in which humans have existed), and over that time, many different types of dinosaurs evolved and became extinct.

In order to understand the relationships between different types of dinosaurs, paleontologists organize individual dinosaur species into groups of related species.

For example, Tyrannosaurus rex was part of a family of dinosaurs known as Tyrannosauridae, which itself was part of an even larger group of dinosaurs: Saurischia, which contained both predatory and herbivorous species.

On this page, we list the major dinosaur groups, and provide examples of dinosaurs of each type.

(If you want to see a list of individual dinosaurs rather than types of dinosaurs, visit this page: List of Dinosaurs.)

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Moth Vs Butterfly: How To Tell The Difference, Pictures & Examples

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Moth vs butterfly – what are the differences between these two well-known insect groups? Below you’ll find a complete guide to the difference between moths and butterflies, with pictures, interesting facts and examples…

Introduction

Moths and butterflies belong to the same order of insects, Lepidoptera, and often look similar to one another. (Interestingly, butterflies evolved from moths.)

Both moths and butterflies share the same four-stage life-cycle, undergoing complete metamorphosis as they progress from egg to winged adults. So why is Lepidoptera divided into moths and butterflies?

One of the best-known differences between moths and butterflies is that moths are nocturnal (active at night), whereas butterflies are diurnal (active during the day).

However, there are a number of exceptions to this rule, and on this page we give you a practical guide on how to tell the …

Invertebrates Examples With Pictures & Interesting Facts

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Examples of invertebrates include insects (e.g., ants, bees, beetles, butterflies); crustaceans (e.g., crabs, lobsters, barnacles); arachnids (e.g., spiders, scorpions); mollusks (e.g., clams, snails, octopuses, squid); echinoderms (e.g., sea urchins, sea stars) and cnidarians (corals, jellyfish).

On this page you’ll find information on these and other invertebrates, with pictures and interesting facts on each…

Scroll down to browse all of the invertebrates, or use the index below to go to a specific animal…

Invertebrates Examples

Arthropods

What Is An Invertebrate?

An invertebrate is an animal without a vertebral column, or backbone. At least 95% …

Examples Of Herbivores – Herbivorous Animals List, Pictures & Interesting Facts

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Examples of herbivores include hooved animals such as antelopes, bison, deer, horses, zebras, hippos, rhinos and tapirs. Other types of herbivorous animals include kangaroos, the koala, fruit bats, rabbits, hares, tortoises, the green iguana and giant panda.

On this page is a list of herbivorous animals with pictures and interesting facts. Read on to discover some of the world’s most amazing plant-eaters…

You can see a list of carnivorous animals on this page: Examples of Carnivores
You can see a list of omnivorous animals on this page: Examples of Omnivores
Discover more about animal diets: What Do Animals Eat?

Use the index below to find information on a particular animal, or continue scrolling to browse all of the animals on the list.

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Examples Of Omnivores – Omnivorous Animals List With Pictures & Interesting Facts

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Examples of omnivores include mammals such as baboons, bears, badgers, foxes, raccoons and monkeys; reptiles such as sea turtles and the common snapping turtle; and birds such as crows and other passerines, sapsuckers and the kea.

This page contains examples of omnivores, including these and many more omnivorous species.

Use the index below to find information on a particular animal, or continue scrolling to browse all of the animals on the list.

Omnivores Examples

Baboons
Bears
Brown Rat
Chimpanzee
Coati (South American)
Common Snapping Turtle
Crabs
Crows
Earthworms
European Badger
Honey Badger
Kea
Mallard
Maned Wolf
Marmosets
Raccoon
Red Fox
Sapsuckers
Sea Turtles
Skunks
Sloths (Two-Toed)
Squirrel Monkeys
Virginia Opossum
Warthogs
Wild Boar

Omnivores

An omnivore is a species whose diet consists of a mixture of both plant and animal matter. The ability to survive on a wide variety …