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Great spotted cuckoo

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Great spotted cuckoo

Post by sujin007 on Wed Dec 05, 2012 9:49 am

If you think the Common Cuckoo is bad, wait until you meet its slightly larger cousin, the Great Spotted Cuckoo, found in parts of Europe and Asia.

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Re: Great spotted cuckoo

Post by sujin007 on Wed Dec 05, 2012 9:50 am

The female Great Spotted Cuckoo often lays her egg.. They usually lay one egg but sometimes two into a magpie’s nest which is quite a rare case..

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Re: Great spotted cuckoo

Post by sujin007 on Wed Dec 05, 2012 9:52 am

The baby Spotted Cuckoos don’t have the impulse to throw the other eggs and chicks out of the nest, but they usually develop faster than their unfortunate foster siblings..

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Re: Great spotted cuckoo

Post by sujin007 on Wed Dec 05, 2012 9:53 am

The baby Spotted Cuckoos have huge, brightly colored gaping mouths which seem to be irresistible to the adult magpies. The result is that the magpies feed them more frequently than their own chicks.

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Re: Great spotted cuckoo

Post by sujin007 on Wed Dec 05, 2012 9:55 am

Eventually, the fast-growing Spotted Cuckoos leave the nest, but still demand to be fed by the magpies. This spells doom for the magpie chicks, which often die of starvation, abandoned in their own nest.

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Re: Great spotted cuckoo

Post by sujin007 on Wed Dec 05, 2012 9:57 am

Why do magpies accept the Great Spotted Cuckoo’s eggs instead of just throwing them away? Scientists have discovered, much to their surprise, it’s a Mafia-like system..

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Re: Great spotted cuckoo

Post by sujin007 on Wed Dec 05, 2012 9:58 am

The adult Great Spotted Cuckoos will always ruthlessly destroy all eggs or chicks of any magpie nest where the parents have thrown the Cuckoo egg away.

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Re: Great spotted cuckoo

Post by sujin007 on Wed Dec 05, 2012 10:00 am

The unfortunate magpies have no choice but to raise the Cuckoo chicks as their own if they don’t want all of their offspring to die.

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Re: Great spotted cuckoo

Post by sujin007 on Wed Dec 05, 2012 10:02 am

Although cruel, this is Nature’s way of controlling the magpie population, since magpies themselves often raid the nests of other birds and if they become too numerous, can cause great damage to other species.


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