Bird Song of the Day
Brown Thrasher, Seagate Park, 4926 West Blvd, Naples US-FL 26.20687, -81.80395, Collier, Florida, United States. For grins, I put the coordinates into Google Maps, and the site is near a big highway, the Tamiami Trail. Hence the loud roaring of trucks, which the Thrasher almost drowns out.
“In the most untouched, pristine parts of the Amazon, birds are dying. Scientists may finally know why” [Guardian]. Something was happening to the birds at Tiputini. The biodiversity research centre, buried deep in the Ecuadorian Amazon, has always been special. It is astonishingly remote: a tiny scattering of research cabins in 1.7m hectares (4.2m acres) of virgin forest. For scientists, it comes about as close as you can to observing rainforest wildlife in a world untouched by human industry. Almost every year since his arrival in 2000, ecologist John G Blake had been there to count the birds. Rising before the sun, he would record the density and variety of the dawn chorus. Slowly walking the perimeter of the plots, he noted every species he saw. And for one day every year, he and other researchers would cast huge “mist” nets that caught flying birds in their weave, where they would be counted, untangled and freed. For years, these counts captured birds’ annual fluctuations; they had good and bad years, seasons in which nests were disrupted by storms and others when they boomed. But by about 2012, Blake and his collaborators could see something was shifting. The birds were dying: not in masses at once, struck down by a plague, but generation by generation.” And today: “This week, Wolfe and collaborators published new work directly linking rising temperatures to bird declines. Their research, published in Science Advances, tracked birds living in the forest understory at the BDFFP against detailed climate data. They found that harsher dry seasons significantly reduced the survival of 83% of species. A 1C increase in dry season temperature would reduce the average survival of birds by 63%. Exactly how the heat is causing bird numbers to decline is tricky to pinpoint, Wolfe says, but “these birds are intrinsically linked to small, small changes in temperature and precipitation”. One of the most immediate ways a heating planet hurts wildlife is by putting them out of step with their food sources: when fewer insects survive dry seasons, or leaves bloom and fruit ripens at different times, birds find themselves unable to forage and feed their young. Their nests begin to fail. Within a few generations, their numbers fall.” • Like the vanished bug splats.
Contact information for plants: Readers, feel free to contact me at lambert [UNDERSCORE] strether [DOT] corrente [AT] yahoo [DOT] com, to (a) find out how to send me a check if you are allergic to PayPal and (b) to find out how to send me images of plants. Vegetables are fine! Fungi, lichen, and coral are deemed to be honorary plants! If you want your handle to appear as a credit, please place it at the start of your mail in parentheses: (thus). Otherwise, I will anonymize by using your initials. See the previous Water Cooler (with plant) here. From BB:
BB writes: “Cosmos. There are several different species. I don’t know which this one is, but it is about 7 feet tall.” My goodness!
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