Corvidae
| Raven | |||||||||||||
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| Common Raven (Corvus corax) | |||||||||||||
| Scientific classification | |||||||||||||
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The Corvidae are the crow family. They are all passerines. There are over 120 species in this family, which includes:
The word 'crow' is also used to describe birds in the genus Corvus. This genus includes true crows, jackdaws and ravens.
Crows are found on every continent except for the southern area of South America and Antarctica. Most crows are found in South America, Central America, Europe and Asia. There are only 10 species each in Africa, Australia and North America.
A group of crows is called a murder.
[change] Description
Most members of the crow family are black, such as crows, rooks, choughs, ravens and jackdaws. However, not all crows are black. Magpies and treepies can be black and white, or blue and green, or brown. Jays are often blue and white.
Crows are some of the most intelligent birds in the world. Crows and rooks are good at using tools, for example sticks or twigs. Magpies can see themselves in a mirror and they understand that it is a reflection. Many crows live near to humans in towns and cities. Some crows (such as Treepies) live in forests. They are more shy than the crows that live in cities.
Some crows in North America, Europe and northern Asia migrate. This means they travel to different places in summer or winter. Most crows are resident birds. This means they live in the same place all year round.
Many crows live in large groups. For example, many rooks nest together in large groups at the top of trees. This is called a rookery. Crows in big groups are often noisy. However, when it is the breeding season (this means when birds nest and have babies), crows can become angry and will scare off other crows.
Crows eat lots of different types of food. They will eat baby birds and eggs from nests, small animals (for example mice),and rats carrion (dead animals), vegetables and garbage. Because they eat babies birds, sometimes crows are mobbed by other birds. This is when the parents and other birds will try to chase off the crow to stop it from eating the babies. Also, on farms, crows will eat vegetables and seeds. Farmers do not want this to happen so they make a scarecrow. This is a object made of straw and old clothes. It looks like a man and it scare the crows away.
Crows make their nests in tall trees. They make the nest from large sticks. The usually lay 3 - 8 eggs. Both parents will look after the baby crows.