How can giraffes have such long necks? Giraffes have jointed vertebrae in their neck, a large amount of ligament, and an enormous heart to get the blood to their head. Interestingly, giraffes used to be called camelopards, because they were kind of shaped like a camel and spotted like a leopard. That word came from […]
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Why do Greenland sharks live so long? Partly because of their very slow metabolism. Greenland sharks are large sharks that live in the northern parts of the Atlantic Ocean and in the Arctic Ocean. They live near Greenland, hence the name. They can grow up to 7 meters in lengths and they can weigh up
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Why do hyenas have long necks? To give them more strength and leverage for when they eat their food. There are four types of hyena. These are the brown hyena, the aardwolf, the spotted hyena, and the striped hyena. The hyena we most closely associate as a hyena is the spotted hyena. They all vary
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Why can a peregrine falcon fly so fast? Because of their wings, their feathers, their breastbone, their heart, their lungs, and a few other things. Peregrine falcons are one of 40 species of falcon. They are about the same size as a crow and they are birds of prey. They eat medium sized birds, such
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How can an eagle see so far? Eagles can see about eight times farther than humans because the cones in their eyes are very small and tightly grouped together. There are 68 different species of eagle spread across the world. They are birds of prey that hunt by swooping down on their prey from high
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Why do crabs walk sideways? They walk sideways so they don’t trip over their legs. However, some crabs do walk forwards. There are many different species of crab and they can live in saltwater and in freshwater. The smallest crab is the pea crab, which is only a few millimeters across and is a parasite
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How big and how small can a mammal be? The Etruscan shrew is the smallest mammal and is 40 mm long and weighs 2 g. The blue whale is the largest mammal and is 29.9 m long and weighs 199 tons. The African elephant is the largest land animal and is about 4 m tall
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How does animal camouflage work? It works by upsetting the edges, mimicking shadows and background, copying shapes, scattering light and countershading, and hiding movement. Camouflage is obviously an evolved trait. All animals have gradually become the color and the shape that they are because it offered an advantage in that they weren’t eaten and got
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Can a tortoise live without its shell? No. Tortoises and turtles are not just inside their shells. They are the shells. The shells are part of their skeletons. Tortoises and turtles actually come from the same family. In fact, tortoises are turtles. They all come from the family testudines, which are reptiles with a shell
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Why are some animals cold-blooded? It lets them go for longer without eating, which means they can survive in more inhospitable areas. There are three types of animals: warm-blooded, cold-blooded, and those in between. Warm-blooded animals are called endotherms and they are able to maintain their body temperature by using their metabolism. We are endotherms.
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