Interesting Facts about Crows
Crows are known for their adaptable characteristic as they can survive in a variety of habitats, from the icy polar areas, woodlands, plains, mountains, to farms and urban areas as well. Numerous researches were made on the life and habits of crows. How interesting are all the discoveries made, find out by taking a look to some interesting facts about crows.
First of all, you should know that crows and ravens don't belong to the same species, while the raven is not the male of the crow. There are many differences between these two. Moreover, ravens cannot stand crows.The first crows appeared in Miocene, 17 million years ago, in Australia and Oceania. Crows belong in the Corvidae family, which counts over 120 species spread all over the world, excepting Antarctica. Moreover, as bizarre as it might seem, the closest relative of the crows is the beautiful bird-of-paradise.
Crows are omnivores and they would eat just about anything. They even eat dead animals and garbage. Crows are the only creatures, excepting man and monkey, that are capable of using different tools in search of food.
A crow has been observed while eating the nuts that initially it couldn't crack. The ingenious bird put the nuts on a highway so that the vehicles to pass over them. The bird was so intelligent as it placed the nuts only under the wheels of smaller cars, as prior experiences proved that setting them under a bigger car, there are slight chances to find the kernel.
Crows are the smartest birds in the world. They are much more intelligent than the owls or any other pray birds. Besides, they are more clever, sly and tricky than a parrot.
When specialists made some intelligence tests on dogs, cats, pigs and crows, the last ones won beyond question. Moreover, a study made in 2004 revealed that crows are more intelligent than bonobo chimpanzees. In other words, crows are the smartest creatures on earth, after humans. This is why, many scientist started referring to these birds as feathered apes.
Crows have a complex language and each “caw” can have a different meaning. They can warn a dangerous situation, they can mimic the sounds made by other animals, or they can even learn how to associate noises with certain events.
Crows carry the West Nile virus. In fact, the crows are the ones having introduced this virus in the United States of America in 1999.
Crow meat is eatable being found on many menus of exclusivist restaurants in the West. Besides, crow meat is considered as being healthier than pork. According to a study made in 2005 by a team of German researchers, crow meat has less toxins and residual compounds than pork.
Crows are very sociable birds as they can live in close association with humans. In Scotland, there has been found a crow population with over 65.000 crows. They are not afraid of humans, but they learned how to survive and take advantage of them. Besides being nuisance for humans, they also prove to be very beneficial as they eat lots of pests that ruin the crops.
The brain-body ratio of a crow is the biggest among all bird species. Crows also have well developed fore brains. As for the anatomy of a crow brain, this is quite similar to human brain. The fore brain is also the biggest area in the brain of a crow. This is where the higher intelligence is supposed to be.
The smallest corvid in the world is the Dwarf Jay in Mexico (Aphelocoma nana) with 40 g (1.4 oz) and 21.5 cm (8.5 inches). The largest corvids are the Common Raven (Corvus corax) and the Thick-billed Raven (Corvus crassirostris) in Ethiopia. Both have 1.500 grams (3lbs) and 65 cm (26 inches).
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