Mammals

Scientifically-speaking there are 11 mammal groups, and most Mammals are warm-blooded, have body hair, give live birth and nurse their young with milk from mammary glands. Check out these articles about all kinds of mammals.

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At first glance, a rabbit and a hare might look like twins in a petting zoo lineup. But the hare vs. rabbit comparison runs deeper than floppy ears and twitchy noses. These two species, while from the same family Leporidae, lead very different lives.

By Nico Avelle

Caribou and elk are both majestic members of the deer family, but they are not the same animal. The caribou vs. elk comparison reveals key differences in appearance, behavior, and habitat that set these two species apart (even though they're often confused).

By Nico Avelle

If you're all twisted up about the difference between a panther and a cougar, you're not alone. In fact, panther vs. cougar confusion is a classic case of regional naming rather than two distinct animals.

By Nico Avelle

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They may look alike with their long, slender bodies and darting movements, but the ferret vs. weasel comparison reveals key differences in species, behavior, and domestication. These cousins belong to the family Mustelidae, which also includes otters, stoats, and minks.

By Nico Avelle

At a glance, the gray fox vs. coyote match-up might look lopsided. One is a medium-sized wild dog, the other a nimble omnivore that can climb trees.

By Nico Avelle

At first glance, woodchucks and beavers might seem like not-so-distant cousins; both are stocky, brown, large rodents.

By Nico Avelle

Out in the wild, who wins in a wolverine vs. badger brawl? These two animals may look like scrappy fur balls, but they're built for battle. Think claws, jaws and hides tougher than a biker jacket.

By Nico Avelle

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The question of hippo vs. rhino is seriously a heavyweight showdown in the world of wildlife. These massive animals share African habitats but have very different biology, behavior, and reputations.

By Nico Avelle

In debates across playgrounds and podcasts, one question endures: In a battle of bear vs. lion, who wins?

By Nico Avelle

When looking at mountain lion vs. bobcat physiques, you’re looking at two iconic wild cats that share habitats but differ significantly in size, behavior, and offensive capabilities.

By Nico Avelle

In a hypothetical showdown — tiger vs. bear — which animal would win? Both are apex predators, equipped with sharp teeth, powerful claws, and a will to survive.

By Nico Avelle

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With over 300 horse breeds in the world, the horse world is mighty diverse. From miniature horses to heavy draft breeds, the types of horses can be grouped by size, temperament and purpose.

By Nico Avelle

Though often confused, rams and goats are two distinct animals with different traits, behaviors, and roles in livestock farming. When comparing ram vs. goat traits, it helps to start with a clear understanding of what each term means.

By Nico Avelle

Beavers and groundhogs might look similar to the untrained eye, but a close beaver vs. groundhog comparison reveals a tale of two very different creatures.

By Nico Avelle

Hog vs. pig: What’s the difference? If you’ve ever wondered whether the two are just different names for the same animal, you're not alone. While they’re closely related, it's not always correct to use these terms interchangeably.

By Nico Avelle

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When it comes to big cats, few comparisons get more attention than the showdown of panther vs. jaguar. These animals are powerful, stealthy and mysterious members of the animal kingdom. But are they actually separate species, or is the difference only fur-deep?

By Nico Avelle

Step aside, heavyweight champions of the animal world! There’s a Siberian tiger vs. Bengal tiger showdown that deserves center stage.

By Nico Avelle

If you’ve ever watched whales surfacing with a dramatic blow from their blowholes, you’ve probably wondered: How often do whales come up for air?

By Nico Avelle

When you're hiking through the woods or watching wildlife documentaries, you might find yourself wondering about the differences between two majestic creatures: elk vs. deer.

By Nico Avelle

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It’s a question that puzzles many ocean lovers: How do whales sleep without drowning? Unlike us, whales are voluntary breathers, meaning they have to consciously come up for their next breath. That makes their sleeping habits pretty unique among marine mammals.

By Nico Avelle

If you've ever wondered, "Are whales mammals?" the answer is a resounding yes. Despite their fish-like appearance, whales belong to the order Cetacea and share many features with other mammals. From breathing air to nursing their young, these marine giants check every mammalian box.

By Nico Avelle

Few phenomena are as strange, grotesque and captivating as the rat king — a creature that has fascinated and unsettled people for centuries.

By Nico Avelle

Lions, one of the most iconic big cats in the animal kingdom, belong to the species Panthera leo, but not all lions are the same. There are several recognized subspecies, each adapted to a specific region and environmental conditions.

By Nico Avelle

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If you're catching whiffs of something funky near your porch, you might be wondering, "What do skunks eat?" These black-and-white foragers are best known for their defensive skunk spray, but their feeding habits are just as distinctive.

By Nico Avelle

Massive, majestic and deeply woven into the fabric of North American history, the bison is more than just an iconic mammal; it's a symbol of survival and conservation.

By Nico Avelle