Farming Raised Research Sparrows 
10,000 Birds
MAY 28, 2022
Today, along with teams in a few other parts of Costa Rica and elsewhere, I will be birding for a cause, watching birds to help one that only lives in Costa Rica, the Cabanis’s Ground-Sparrow. Around the size of a Song Sparrow or Chaffinch , maybe a bit bigger, this mini towhee forages near the ground in dense scrubby vegetation.
10,000 Birds
MARCH 19, 2013
In 1898, Hermon Bumpus published a paper about change in the morphology in a population of House Sparrows that he proposed was an example of Darwinian Natural Selection in action. House Sparrows ( Passer domesticus ) are introduced birds over most of their very large range. As you know, a lot of birds are killed in the U.S.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
10,000 Birds
FEBRUARY 2, 2023
Some of the lazier Common Moorhens apparently try to pass the arduous work of raising their chicks on to other species -a paper describes how Little Bitterns are utilized as surrogate parents. There actually is a study on the effect of wind farms on Chongming Dongtan (where these photos were taken) on Little Egrets.
10,000 Birds
DECEMBER 28, 2015
At least in the northeastern United States, their rate of so doing is high, according to research I summarized here. This of course raises questions of what happens when all of the inland nesting grounds of all the loons becomes covered with glacial ice during ice ages, then later, the ice melts and the lakes return. Another sparrow?
10,000 Birds
SEPTEMBER 7, 2021
Born in Gambia, raised and living in Sweden , Larsson illustrated three major guides before this one, all authored by Klaus Malling Olsen: Terns of Europe and North America (PUP, rev. Many look alike (even more so than shorebirds and sparrows), differentiated by only features like ‘dusky’ underparts or brighter covert bars.
Expert insights. Personalized for you.
259 
Let's personalize your content