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Which pet animals hear ultrasounds exceptionally well? Cats! Cats are nocturnal predators and therefore have excellent hearing, among the best of any mammal. They can detect an extremely broad range of frequencies, ranging from 55 Hz to 79 kHz. This is far more than  humans (31 Hz - 18 kHz), and dogs (67 Hz - 44 kHz). Cats ability to hear ultrasound is probably important in hunting, since many species of rodents make ultrasonic calls.

Which pet animals hear ultrasound exceptionally well?

What animal is that? Goat! The horizontal pupils allow wide panoramic vision. Because goats' irises are usually pale, their pupils are much more noticeable than in animals such as cattle, deer, horses and sheep, whose similarly horizontal pupils blend into a dark iris.

What animal is that? Goat! The horizontal pupils allow wide panoramic vision. Because goats' irises are usually pale, their pupils are much more noticeable than in animals such as cattle, deer, horses and sheep, whose similarly horizontal pupils blend into a dark iris.

Which part of a dog's or a cat's eye reflects the light? A layer behind retina! Many vertebrates, especially nocturnal ones, have the reflecting layer called tapetum lucidum. It reflects the light back through the retina, increasing the amount of light available to the photoreceptors.

Which part of a dog's or a cat's eye reflects the light?

Which mammal has the fattest milk? Seal! Sea mammals are warm-blooded, but live in cold waters - so they really need the isolating layer of fat. Dolphin milk contains 35% of fat, seal and whale - up to 50%. It is twelve times more than in human or cow milk.

Which mammal has the fattest milk? Sea mammals are warm-blooded, but live in cold waters - so they really need the isolating layer of fat. Dolphin milk contains of fat, seal and whale - up to It is twelve times more than in human or cow milk.

How many species of the cat family hunt in groups? One! Only lions live and hunt in groups. A pride of lions consists of related females and offspring and a small number of adult males.

How many species of the cat family hunt in groups? Only lions live and hunt in groups. A pride of lions consists of related females and offspring and a small number of adult males.

What kind of feeding is crossbill's beak adapted to? Coniferous-seed eating! Crossbills are characterized by the mandibles crossing at their tips, which gives the group its English name. These mandibles enable them to extract seeds from conifer cones.

What kind of feeding is crossbill's beak adapted to? Crossbills are characterized by the mandibles crossing at their tips, which gives the group its English name. These mandibles enable them to extract seeds from conifer cones.

З чого складаються голки їжака? з кератину! Кератин - це протеїн, який є основним будівельним матеріалом для волосся, нігтів, рогів і пазурів ссавців. Голки їжака мають структуру, схожу на волосся - в середині вони порожнисті, однак містять набагато більше кератину.

З чого складаються голки їжака? з кератину! Кератин - це протеїн, який є основним будівельним матеріалом для волосся, нігтів, рогів і пазурів ссавців. Голки їжака мають структуру, схожу на волосся - в середині вони порожнисті, однак містять набагато більше кератину.

Which animal has three hearts? cuttlefish! Cuttlefish is a Cephalopod. Cephalopods are characterized by three hearts. Central heart and two additional gill hearts (branchial hearts) at the base of their gills. They have two circulatory systems: big (heart-body-gill heart) and small (gill heart-gills-heart).

Which animal has three hearts?

Guanaco fiber Royal Fibers 2010 CSA Community by royalfibers

Guanaco fiber Royal Fibers 2010 CSA (Community Supported Agriculture)

Guanaco fiber Royal Fibers 2010 CSA Community by royalfibers

When did the wooly mammoth became extinct? 1650 BC! The woolly mammoth was the last among mammoth species. They have vanished from Europe and southern Siberia about 10,000 years ago, but a small population survived on St. Paul Island, Alaska, up until 3750 BC, and the small mammoths of Wrangel Island survived until 1650 BC. They were still around when the Egyptian Pytamids were being built.

When did the wooly mammoth became extinct?

Where do vampire bats live? Central America! There are three bat species that feed solely on blood, and all are native to the New World, ranging from Mexico to Argentina.

Where do vampire bats live? There are three bat species that feed solely on blood, and all are native to the New World, ranging from Mexico to Argentina.

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