From: Jim Rader
Message: 25318
Date: 2003-08-25
> They are certainly rooks. Rooks are colonial and like to claim cityRavens used to be rare in the eastern U.S. outside of wilderness areas
> parks as their rookeries. Ravens, which are much bigger and to a
> lesser extent synanthropic, live in small groups and prefer the
> country. To be sure, most corvids are highly intelligent and
> adaptable; I've seen ravens lunching on discarded sandwiches on the
> Santa Monica beach, in perfect harmony with crowds of people. They
> used to be rare or at least seclusive in Poland a few decades ago, but
> are now expanding into suburban areas; I see them regularly on the
> outskirts of Poznan. Not thousands of them, however, but from one to
> half a dozen at a time. Sparrows are becoming rare in many European
> cities for reasons that are not entirely clear. Corvids (especially
> magpies) and cats have been blamed for the decline of the sparrow, but
> it seems other factors are far more important:
>
> Piotr