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For Ornithologists

Must have too much free time on my hands, there is a Rookery behind my street,or they may be crows (crowery). There are about 2 to 3 hundred birds,but there is only 10 nests. Question is why don't they all build nests. Question 2. The birds not in nest but perched on branches overnight,why don't they fall off when they go to sleep.:}

Quote:

Originally Posted by jackatesme (Post 2815614)

I think it is a murder of crows ....... :eek::shrug:

Cant answer question one, maybe they steal nests? like magpies? or perhaps space, male birds looking for food while mother prepares to/and lays the eggs?

Question two though. Practice ;)

That's why they are collectively called 'a murder..' And it explains why they congregate around nests....

Just remembered; they belong to the Corvid family. Scary or what.

Quote:

Originally Posted by wraymond (Post 2815760)

That's why they are collectively called 'a murder..' And it explains why they congregate around nests....

Just remembered; they belong to the Corvid family. Scary or what.

Which reminds me----:D

The Police have found a large number of dead crows on the A638 just outside Doncaster early this morning, and there was concern that they may have died from Avian Flu.

A Pathologist examined the remains of all the crows, and, to everyone's relief, confirmed the problem was NOT Avian Flu.
The cause of death appeared to be from vehicular impacts. However, during analysis it was noted that varying colours of paints appeared on the bird's beaks and claws.

By analysing these paint residues it was found that 98% of the crows had been killed by impact with motorbikes, while only 2% were killed by cars.

The investigators then hired an Ornithological Behaviourist to determine if there was a cause for the disproportionate percentages of motorbike kills versus car kills. The Ornithological Behaviourist quickly concluded that when crows eat road kill, they always have a look-out crow to warn of danger.

They discovered that while all the lookout crows could shout "Cah",

not a single one could shout "bike"--------------------https://www.hondacb1000r.com/forums/...ilies/roll.gif