Subject: Caspian Tern Inquiry
Date: Jul 7 22:21:40 1998
From: wings at olympus.net - wings at olympus.net


Tweets:

In the hope someone in this group can help, I am forwarding the following
from the Seabird-L list. Please reply directly to Craig Harrison, rather
than me. (And I hope someone can help!)

Thanks --

Janet Hardin
Port Townsend, WA
wings at olympus.net

-----------------
>From: "Harrison, Craig" <charrison at hunton.com>
>To: Seabird-L <seabird at uct.ac.za>
>Subject: Caspian Tern Inquiry
>Date: Tue, 7 Jul 1998 10:17:00 -0500

>
>The Pacific Seabird Group needs some information quickly to respond to an
>initiative in the State of Oregon to control the largest colony of Caspian
>Terns in the world (8,000 pairs) near the mouth of the Columbia River. The
>colony represents about 25% of the North American population and is in a
>National Wildlife Refuge. A study on the feeding ecology of these birds
>indicates that they consume a large quantity of smolts of salmon, trout and
>steelhead (some are endangered).
>
>Can anyone provide information concerning the feeding ranges of Caspian
>terns, both when adults are incubating and when they are feeding young?
>This is a wide ranging species, and North American information would be
>preferred although information from elsewhere is better than nothing. This
>information may have a bearing on the efficacy of some of the government's
>plans.
>
>Craig S. Harrison
>Vice Chair for Conservation
>Pacific Seabird Group
>charrison at hunton.com
>