What are the various factors that have contributed to the fall in numbers of the red squirrel and rise in grey

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=)What are the various factors that have contributed to the fall in numbers of the red squirrel and rise in grey
The main factor is the introduction of Grey Squirrels into the UK. They are not a Native species and have few predators. When a species of animal is introduced into a Country it often upsets the balance of the native wild life and the intruder can wipe out resident populations very quickly. They can also introduce diseases that the native population has no immunity to, which is also a factor in this case.


They can live in areas the Red Squirrel can't and in the areas they do, but being bigger and more aggressive they attack the Red's.


You would never see a Red Squirrel in a town or city park, and de-forestation means that there are very few natural habitats for them.What are the various factors that have contributed to the fall in numbers of the red squirrel and rise in grey
Red squirrels feed on acorns - however they are not very efficient at digesting them and so need to eat a lot to get a decent amount of nourishment - grey squirrels are much more efficient at digesting acorns and therefore have overtaken red in most deciduous forested areas - red squirrels are hanging on in some areas where the main food source is not acorns and therefore they literally have a fighting chance.
grey squirrels will eat birds eggs and young chicks
I believe the main factor is that grey squirrels are a lot meaner and wiped out a lot of the more placid red squirrels.
grey squirrells killed them all
It is due to the grey squirrels be more ferocious than the red ones and the fact that the greys have a wider diet than the red. in many areas the grey is pushing the red one to extinction and the greys are also thought of as vermin.
Squirrel war isn't pretty. One of the tactics for reducing


numbers of rival species is to try to bite their balls as


the squirrels chase each other along limbs, dodging


options are limited on linear stretches of battleground.
gray squirrels shagging more and pushing out the reds and eating the food
Grey Squirrels also brought diseases which the red squirrels couldn't cope with.





http://www.red-squirrels.org.uk/





http://www.redsquirrels.info/

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