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Backyard feeders changed the shape of hummingbird beaks, scientists say

According to a recent study in Global Change Biology, a journal focused on environmental change, the use and prevalence of hummingbird feeders — like those red and clear plastic ones filled with homemade sugar water — changed the size and shape of the birds' beaks. The range of the hummingbird also spread from the southern part of California all the way up the West coast into Canada.

"Very simplified, the bills get longer and they become more slender, and that helps to have a larger tongue inside that can get more nectar from the feeder at a time," says Alejandro Rico-Guevara, a professor of biology at the University of Washington and senior author on the study.
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These pictures are from Sunday, but it's after midnight, so the post says Monday.

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June is National Pollinator Month. The most famous pollinators are butterflies and bees. However, other animals such as bats and rodents also serve. Among birds, the best known are hummingbirds (North and South America), but sunbirds (Africa) and honeyeaters (Australia) are important too. Also bear in mind that caterpillars are nature's hot dogs, so attracting butterflies and moths will also feed birds. It takes about 10,000 caterpillars to fledge a clutch of chickadees! Here are some ways to celebrate National Pollinator Month ...

Read more... )
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Scientists believe penguin poop might be cooling Antarctica — here's how

In a paper published on Thursday in the journal Communications Earth and Environment, they describe how ammonia wafting off the droppings of 60,000 birds contributed to the formation of clouds that might be insulating Antarctica, helping cool down an otherwise rapidly warming continent. 
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I took some pictures around the yard today.  These are from the house yard.

Walk with me ... )
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I took some pictures around the yard today. These show the house yard. See the House Yard, South Lot, Savanna and Prairie Garden, and Back Toward the House.

Walk with me ... )
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Today I took pictures around the yard. It's cloudy, so the lighting is bad, but so much is happening that I wanted to capture it. See the House Yard, South Lot, Savanna, and Prairie Garden.

Walk with me ... )
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Today we visited the Charleston Food Forest.  I took pictures and rescued some plants that were growing in the paths so they don't get trampled. These pictures are mostly from the right side. See Part 2 Left Side.

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From dinosaurs to birds: the origins of feather formation

Scientists reveal the key role of specific genes in feather development, providing insights into their evolution from dinosaurs.
Feathers, essential for thermoregulation, flight, and communication in birds, originate from simple appendages known as proto-feathers, which were present in certain dinosaurs.By studying embryonic development of the chicken, researchers from the University of Geneva (UNIGE) have uncovered a key role of a molecular signalling pathway (the Shh pathway) in their formation. This research provides new insights into the morphogenetic mechanisms that led to feather diversification throughout evolution
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I discovered a reference to bumblebees nesting in a birdhouse.  It turns out that you can also build a house just for the bumblebees.  
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Acts of Restorative Kindkess (ARK) is a project devoted to rewilding the land and making space for wildlife.

Compare with my laissez-faire permaculture approach. I favor native plants, but I include other things too, some ornamental and others edible. I have small gardens and containers, but most of the space is loosely managed. The prairie garden is mostly wild and so is the forest garden.

Wildlife comes and goes as it pleases. I saw a skunk today wandering through the savanna after a storm. He wasn't bothered by my presence at all. We just shared the space, each going about our business. There are birds everywhere -- blackbirds, sparrows, finches, doves, crows, all kinds. Soon they'll be nesting, which is always fun to watch. Already there are a lot of bees out. Not many native flowers bloom this early, but I've got crocuses and other bulbs that the bees swarm eagerly.

So it's pretty nice. It's also very jungle-esque (I have an actual emergent layer) as the ARK is described as "untidy." One of my gardening hats came from the North American Dandelion Appreciation Society, which is about loving the weeds and the wildness. :D It's all fine.
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These are more yard pictures from today, showing some of my other projects. See the New Rocks too.

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Today I planted most of my new rocks! \o/ I'm waiting to sink the pink mica rock until I get a second one to point the other direction along the road, to catch headlights from both ways.

Walk with me ... )
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US bird populations continue alarming decline

2025 State of the Birds Report calls for urgent conservation action.
The 2025 U. S. State of the Birds Report, produced by a coalition of leading science and conservation organizations, reveals continued widespread declines in American bird populations across all mainland and marine habitats, with 229 species requiring urgent conservation action.

The release of the 2025 U.S. State of the Birds report was announced today at the 90th annual North American Wildlife and Natural Resources Conference in Louisville, Kentucky. The report, produced by a coalition of leading science and conservation organizations, reveals continued widespread declines in American bird populations across all mainland and marine habitats, with 229 species requiring urgent conservation action. The report comes five years after the landmark 2019 study that documented the loss of 3 billion birds in North America over 50 years.

Key findings from the new report show that more than one-third of U.S. bird species are of high or moderate conservation concern, including 112 Tipping Point species that have lost more than 50% of their populations in the last 50 years. That includes 42 red-alert species facing perilously low populations, such as Allen's Hummingbird, Tricolored Blackbird, and Saltmarsh Sparrow -- birds that are at risk without immediate intervention
.


Remember what I just said about the butterfly apocalypse? No butterflies and moths --> no caterpillars --> no birds, because most terrestrial birds raise their chicks on nature's hotdogs.
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Continuing the photo tour of the yard, most of these are from the savanna and prairie garden.

See all of today's photography posts:
Photos: House Yard and South Lot
Photos: Savanna and Prairie Garden
Photos: Back Toward the House
Photos: Garden Shed

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Birdfeeding: Friends of a Feather Flock Together

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