When it rains the midges that have hatched stay on or very close to the
water surface. They are a major swallow food source.

Joel E. Haas
haas.joel at mindspring.com
Redmond, WA


On 5/21/2012 1:53 PM, Linda Phillips wrote:
>
> I walk through Wallace Swamp Creek Park daily. I often see VG
> Swallows, always above to tree tops. However on rainy days like today
> they are soaring up & down stream just inches above the water.
> Can anyone shed some light on this behavior. I assume the bugs don't
> fly high on rainy days, but is there more to it. Is there a bug they
> prefer that is high and doesn't fly in the rain so they go down to eat
> another kind of insect. Or do the same bugs come down to water in
> rainy weather?
>
> Linda Phillips
> Kenmore
>
>
>
>
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