On Fri, 27 Oct 1995, Sean Boyd wrote:

> At Williams Lake, B.C., Barrow's Goldeneye (BAGO) were marked with nasal
disks > to help in our understanding of site-tenacity and mate-fidelity in
winter as > well as survival rates and return rates to the nesting area.
Disks of various > shapes and colors were used so that individual birds
could be identified.


Hello Tweets,

I've seen various birds wearing the human equivalent of anklets, and I've
seen Canada Geese sporting necklaces, but what are these nasal disks?
Would someone please describe them and explain just how they're affixed to
the bird?

Thanks for enlightening me, and anyone else in the back row who wants to
know.

---Lisa :-)

____________________________________________________
Lisa M. Smith, Seattle WA <subplot at u.washington.edu>