|To:||Con Boekel <>|
|Subject:||North American Ornithological Conference highlights|
|From:||Martin Butterfield <>|
|Date:||Tue, 13 Sep 2016 22:31:29 +0000|
A key difference between Australia and the US is that the US (or at least the part not in the Deep South) has a Winter.
It is interesting that the 'official' birding bodies in the US (and Canada) support feeders in various ways. In Ottawa much of the Christmas Bird Count is touring various feeders to count the birds thereat. In New York one of the most popular birding sites in Central Park in Winter is feeders hung - with official approval - in the Ramble.
I suspect that the figure of 1 million tons refers only to seed such as is sold here. In the South West significant amounts of sugar are also used in Hummingbird feeders. One astonishing site we visited in Arizona got through a 50lb bag of sugar each day (they observed up to 24 species of Hummingbrd in a day for their efforts).
On 14 September 2016 at 06:57, Con Boekel <> wrote:
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