The team used BirdNet, a machine learning tool, to identify birds in the recordings and verified recordings of American goshawks to understand how birds respond when a goshawk calls. According to the study, birds called and sang less after an American goshawk called, but where along the roughly 420-mile span of the Sierra Nevada the birds …
Caribou Struggles.
Big game species like ungulates have captured the imaginations of humans for tens, if not hundreds, of thousands of years. From the artists of the Lascaux Caves to modern hunters and naturalists, humans are drawn to their beauty, spectacle, and thrill of the chase. In North America, caribou stand apart as one of the continent’s …
The ancient bond between pigeons and people
Examination of pigeon bones from Late Bronze Age Hala Sultan Tekke, Cyprus indicates they were already semi-domesticated as early as c. 1400 BCE, pushing back direct evidence for pigeon domestication almost 1,000 years and challenging perceptions of the birds as opportunistic urban pests. Importantly, the earliest direct evidence for domesticated pigeons had previously come from …
Mystery Solved?
On a narrow island in eastern Canada battered by freezing winds, hundreds of gray seal pups lie dead every breeding season, bearing massive, oddly shaped wounds. The injuries start at their mouth and corkscrew down to their chest, tearing down to the bone but leaving the rest of the body intact. For years, scientists …
“(Smilodon and Homotherium) are believed to have coexisted with humans”
Folks been sending me a photo of a petroglyph (rock art) apparently found in Bahia, Brazil; it shows what at first glance could be interpreted as some sort of mammal with what might be long fangs or tusks pointing downwards, short pointed ears (?), a short tail, and what may or may not be …
The Três Picos State Park
I have not heard of this Three Peaks State Park in Brazil before but it is impressive. Another example of a world bigger than we imagine and so much of it you never hear of.
“Rain Bombs” and Lightning
Rain Bombs is some kind of new term for microburst*, etc. The show does a very good job of explaining what they are. Haboobs, derechos, microbursts are all covered and are related to the same phenomenon. There was a microburst while I was at work in MA back in the 90s. Driving home I saw …
Five jaguars in southern Arizona
Over the past 15 years, only five jaguars have been spotted in southern Arizona and one of those individuals has just been recorded by a trail camera. The footage, captured by the University of Arizona’s Wild Cat Research & Conservation Center, shows the fifth male Jaguar, appropriately dubbed ‘Cinco’, leisurely drinking from a water source at night. …
Sea Eagle
https://www.alanbhayman.com/originals All Scottish scenes? I like his style
Landspout?
Stunning footage shows a large landspout tornado towering over north-central New Mexico. dust devils are caused by convective currents of heat rising off of hot ground. They are different. If you look up waterspouts, it might give you a little more insight. There are two types of waterspouts: tornadic (actual tornado over water powered by …