10,000 Birds
OCTOBER 22, 2014
The last time I visited Portola was in the summer of 2011 when the Swainson’s Hawks ( Buteo swainsoni ) were nesting there. Like most buteos, the Swainson’s Hawk feeds its young rodents, rabbits and reptiles but not so during non-breeding season. Click on photos for full sized images. www.youtube.com/watch?v=Q7tVjohOIdI.
10,000 Birds
JUNE 1, 2021
610)) to a little history (“The elegant White-tailed Kite was formerly shot in large numbers by farmers who thought it threatened their chickens, although these birds feed almost entirely on insects and a few rodents” (p. Press, 2011, cited as “RTP to Paul Brooks, March 6, 1945, Peterson Institute.”
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10,000 Birds
FEBRUARY 5, 2012
The Blackbird die-off that was observed in north-west Baden-Württemberg, neighbouring parts of Rheinland-Pfalz and southern Hessen in 2011 was caused by the Usutu Virus. I frequently observed Blackbirds walking on the ground like rodents, even ducking under low tufts of grass. Impaired motoric movements, e.
10,000 Birds
JULY 21, 2011
For instance, I can lay my hands on data for primates and rodents (because I’ve collected those data for research) but I don’t have comparable data for bovids (just selected data) and zero data for birds (in spreadsheets on my computer). Accessed July 12, 2011 at [link] a. Sources Laden, Greg. Oxford University Press.
10,000 Birds
DECEMBER 1, 2020
I should add that the Big Owls taking over NYC social and even hard print media, dominating conversations with my nonbirder friends and family, are not the only owls in the five boroughs, but like a musical, the closer you are to Broadway, the closer you are to fame and fortune (and maybe even a higher quality rodent for dinner, who knows?).
10,000 Birds
JULY 24, 2014
Their current population stands at more than 150 birds (I have no recent population estimate, but there were 129 in 2012, up from 100 in 2011), and they are spreading slowly but consistently. They might have a negative impact on local flora, invertebrates and small rodents, either directly or indirectly through competition for food.
4 The Love Of Animals
MARCH 17, 2011
Elephants, whales, hippopotamuses, giraffes, and alligators use low-frequency sounds to communicate over long distances, often miles; and bats, dolphins, whales, frogs, and various rodents use high-frequency sounds to find food, communicate with others, and navigate. the Spring 2011 issue of YES!
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