Interesting. And, with other animals, they learn behavior, so...doesn't
seem possible a behavior cd be restricted to one animal unless it were
isolated. Anyone note, for example, how pets acquire each other's bad
habits? Now, why can't they pick up the GOOD ones? - Irene

On Mon, 1 Jan 1996 DPAULSON at ups.edu wrote:

> My reading on the matter is that Double-crested *do*, and Brandt's and
> Pelagic Cormorants *don't* hold their wings open for extended periods at
> roosts. I don't have a clue why this should be so! Elsewhere in the world,
> other species of cormorants hold their wings open, but I've never seen a
> summary of the dos and don'ts.
>