>Tim,
>
>I checked the weight of 180 siskins from my banding records. The mean
>weight (or is it mass?) of 180 males and females combined (each bird
>weighed to the nearest 0.5g) was 13.38 grams. There are 28.349 grams per
>ounce. As my average Pine Siskin weighs in at a whopping 0.4719 ounces,
>and there are 32,000 ounces in a 2,000-pound ton, there would be:
>
>67,797 Pine Siskins in a ton.
>
>Good Birding
>
>Jon. Anderson


Thanks, Jon. In that case approximately .0002949 tons of siskins (at one
time) have been visiting my feeders recently.

I love the information that comes out on Tweeters!

Thanks for making my day,

Tim

Tim Shelmerdine
Lake Oswego/Aurora, Oregon
shelmert at mail.clackesd.k12.or.us