Wednesday, 15 March 2017

Crows - unlucky or just super smart?

Kingdom: Animalia
Family: Corvidae
Genus: Corvus
Crows are species of birds in the genus Corvus, and have a shiny jet black plumage and a high level of intelligence. They are widely regarded as a bad omen, and are often brushed aside as a simple nuisance, rather than recognised for the intelligent animals that they are. They are actually very interesting creatures, but many people do not give them the credit they deserve due to the bad luck associated with them.

What’s so great about them?

They are incredibly intelligent! They have the biggest brain to body ratio among all bird species, with a highly developed forebrain which is associated with intelligence. They are cleverer than parrots, and Bonobo chimpanzees, which makes them the second most intelligent creatures, beaten only by humans! This has given them the name ‘feathered apes’. For example, if a crow is unable to crack a nut, then it puts it on a highway so a vehicle will pass over it and crack it open, and they prefer to put it under smaller vehicles so the kernel is not completely squashed.

Crow meat is edible for humans and is served in Western parts of the globe, and is healthier than other meats such as pork.

They can be used by humans to destroy pests of crops and can form bonds with humans due to their social nature.

They have an excellent memory and can stash food in places, sometimes moving it several times, and remember exactly where it is stored.

They are migratory birds, and gather together in autumn and winter to migrate.

They have a characteristic “cawing” and have developed a sophisticated form of language to communicate with one another. The caws have different meanings at different times and can mimic sounds of other animals. They can also associate different commotions to different events. They also express emotions vocally, such as happiness, anger and sadness.

When another crow is dying, a group of crows flock around it and peck it aggressively to death, which is why a group of crows is called a murder.

Crows mate for life, and after hatching (usually 4-7 eggs) the male and female take it in turns to incubate the eggs. Some of the offspring remain after they developed to assist in co-operative breeding.

They can make tools for food, a behaviour only otherwise shown in apes and humans. The New Caledion crow can develop knife-like tools from stiff leaves and stiff stalks of grass. The crows of Queensland, Australia have learned the skill of grabbing and eating the toxic cane frog. The crows flip the frog at its back and start stabbing its throat with their long and sharp beaks, thus consuming the non-toxic innards.

They can imitate human voice, like parrots. Some have even been taught to recite opera.

So why are they considered to be bad omens?
They are associated with bad omen, death, and dark witchcraft, as well as with the ability to manipulate physical appearances, and magic in general.  It is said that if a black crow lands on a home’s roof, the inhabitants will suffer bad luck or face death. This perhaps comes from a crow’s scavenger personality, which leads to them hanging around human residences, and even places like graveyards. For example, after Hiroshima, there was a famous plague of crows on the city. 

There are different crow superstitions in different places all over the world. In Wales, the idea was that if one crow crossed your path it was bad luck, whereas if two crows crossed your path then it was good luck. They’re also considered good luck if you find one dead on the road. The French had a saying that evil priests became crows, and bad nuns became magpies. In Somerset, England, people used to carry an onion with them for protection from crows. In New England, to see two crows flying together from the left was bad luck. A general superstition was releasing two crows together at a marriage ceremony, and if they flew away together then it would be a long and happy marriage. If the crows separated, the couple would part soon too. Sounds risky to me!


Personally, I think it’s high time that these superstitions were forgotten, and let’s recognise crows for the incredibly intelligent, and sociable, animals that they are. Although I perhaps won’t be saying that if one now crosses my path or lands on the roof of my house…

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