Lagomorpha

Lagomorphs are a special group of animals known as the order Lagomorpha. They include familiar creatures like rabbits and hares, as well as the smaller pikas. The name "lagomorph" comes from ancient Greek words for "hare" and "form," showing how these animals look and move.

There are two main families of lagomorphs. The first family is Leporidae, which includes rabbits and hares. The second family is Ochotonidae, made up of pikas. Together, there are about 110 different species of lagomorphs alive today.

Most of these species are rabbits and hares, with pikas making up the rest. Sadly, one type of pika known as the Sardinian pika is no longer alive. Lagomorphs are interesting because of how they look, behave, and live in many parts of the world.

Etymology

The word "lagomorph" comes from two old Greek words: lagos, meaning "hare", and morphē, meaning "form". It describes animals that look like hares. This name was first used in the 1800s by a German scientist named Johann Friedrich von Brandt. Later, in 1912, an American scientist named James W. Gidley officially classified these animals into their own group.

Lagomorphs include rabbits, hares, and pikas, which are sometimes grouped with rodents but have special features that make them unique.

Taxonomy and evolutionary history

Lagomorphs include rabbits, hares, and pikas. They were first described as a special group in 1811, different from rodents because of their unique teeth, which have four upper incisors. Over time, many names were used for this group before settling on Lagomorpha in 1855.

Scientists are still learning about their early history. At one time, they thought a creature called Eurymylus from eastern Asia was their ancestor. But newer studies suggest they may have come from mimotonids, small mammals from Asia with teeth similar to early European rabbits. Rabbits began appearing in the late Eocene and quickly spread, while pikas showed up later in the Oligocene in eastern Asia.

Characteristics

Lagomorphs are a group of animals that share some traits with mammals, such as having hair, four limbs, and mammary glands. They also have special features that set them apart, like having four upper front teeth instead of two, similar to rodents but with their own unique differences.

Rabbits, hares, and pikas are the three main types of lagomorphs. Rabbits and hares are known for their strong hind legs, which they use to hop around. Pikas, which live in mountainous areas, are smaller and have legs of equal length. They store dried plants for winter food. Hares are larger than rabbits and often live alone, while rabbits usually live in groups and burrow underground. Both rabbits and hares play important roles in nature as food for many predators.

Distribution

Lagomorphs, which include rabbits, hares, and pikas, live on every continent except Antarctica. They are not found in the West Indies, Madagascar, or many islands. Although they are not native to Australia, humans brought them there, and now they live in many parts of the country. European hares can also be found in much of the southern cone of South America.

Biology

Lagomorphs, which include rabbits, hares, and pikas, have special ways to get nutrients from their food. They eat something called cecotropes, which help them get more nutrients from hard-to-digest fiber.

Many lagomorphs have babies several times a year. Rabbit and pika babies, called kits, are born after a short time and grow quickly. Hare babies are called leverets and are born after a longer time. Some lagomorphs live in groups, while others, like hares, often stay alone but may travel in small groups. Rabbits and pikas use their burrows to stay safe, while hares use their speed to escape from danger.

Main article: Cecotrope

Classification

See also: List of lagomorphs

Lagomorphs are animals that include rabbits, hares, and pikas. They belong to the order Lagomorpha. There are two main families: Leporidae, which includes rabbits and hares, and Ochotonidae, which includes pikas.

Today, there are about 110 species of lagomorphs. Most of them are in the Leporidae family, with many different types of rabbits and a few kinds of hares. The pikas are the smallest group. Some ancient types of lagomorphs have been found as fossils, but they are no longer alive today.