This is from the BNA article on Carolina Chickadees, supporting Geo's
observation:
Winter flocks move horizontally at an average rate of 6 m/min, with a daily
pattern of rapid movement in early morning (07:00–10:00: 8 m/min) and in late
afternoon until roosting (15:00–19:00: 7 m/min), with
I also think that many of these redpolls are still actively moving.
These birds may have come in, fed briefly and then taken off for some
place a hundred miles away. While we often think of migration being in
May and September, there probably isn't a single month of the year
where at least some
: [cayugabirds-l] 100+ Redpolls-for a minute
I also think that many of these redpolls are still actively moving.
These birds may have come in, fed briefly and then taken off for some place a
hundred miles away. While we often think of migration being in May and
September, there probably isn't
In the last week of Dec and on the CBC count day, I carried out a number of
stationary counts from a parking lot at IC to see what was moving in the
mornings. There was regular southbound passage of redpoll flocks, at least
in the first two hours of daylight. For example, on Jan 1 I had three
Hi Wesley, you wrote:
I'd actually expect the opposite: something that's called a selfish herd
effect, where the larger the group, the less likely that you'll be depredated
because by chance alone you're far less likely to be killed by the small
number of predators in the area if you're in
