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The barn swallows wintering in southern Africa are from across Eurasia to at least 91°E, [21] and have been recorded as covering up to 11,660 km (7,250 mi) on their annual migration. [22] The nominate European subspecies was the first to have its genome sequenced and published.
A 2011 study projected that the frequency and magnitude of both maximum and minimum temperatures would increase significantly as a result of global warming. [13] According to the Fifth National Climate Assessment published in 2023, coastal states including California, Florida, Louisiana, and Texas are experiencing "more significant storms and extreme swings in precipitation".
In Canada, it is listed as Threatened under Schedule 1 of the federal Species at Risk Act due to the loss of 98% of its Canadian population over the past 40 years. [15] They are considered threatened in California, where populations exist in the Sacramento Valley [16] and at two coastal sites, Año Nuevo State Park and Fort Funston. [17]
Wildfires may be in the news this winter across the U.S. southern tier as drought persists and expands across the region, experts tell USA TODAY. 2025 climate forecast warns of winter danger ...
Climate Central’s “2023 Winter Package” graphic shows the average change in winter temperature between December and February, from 1970 to 2022.
[39] [40] In barn swallows, old mated males and young unmated males benefit from colonial behaviour, whereas females and mated young males likely benefit more from nesting by themselves. [ 41 ] Pairs of mated swallows are monogamous, [ 42 ] and pairs of nonmigratory species often stay near their breeding area all year, though the nest site is ...
The northern bald ibis once soared over North Africa, the Arabian Peninsula and much of Europe, including southern Germany's Bavaria. This bird species was extinct in Europe. Now it's back, and ...
The western house martin is similar in habits to other aerial insectivores, including other swallows and martins and the unrelated swifts, and catches insects in flight. [9] In the breeding areas, flies and aphids make up much of the diet, and in Europe, the house martin takes a larger proportion of aphids and small flies than the barn swallow. [9]