Jackdaws Identify "Dangerous" from "Safe" Humans

Don’t think that humans have a monopoly on “social distancing”—because even birds are prudent in physical distancing, depending on the contingent hazards that they perceive nearby.1,2 And birds, like humans, warn one another about the dangers they see, and how best to avoid them.2-4

Avian Ventilation and Ventilators

During this time of the devastating COVID-19 pandemic, medical science is seeking a vaccine as well as drugs that will treat the symptoms. In the meantime, much has been reported on the ventilator, a lifesaving device that is used on the most serious cases.


Steller’s Jays, Dumpster-Diving, and Comparing What is Valuable

Springtime, in many places—especially Texas—is a very active time for birds.1 Nests are built. Mating and egg incubation leads to raising hatchlings. Before long, those hatchlings become fledglings. Bird life goes on—birds are fruitful, multiply, and fill their special niches on Earth.2

Norwegian Rats, Archaeologists, and Plagues of the Past

Earth has experienced terrible pandemics before coronavirus.

Earlier this month, as archaeologists were researching an old Viking trade route in central Norway, they reminded us that Eurasia’s “Black Death” plague previously blanketed many Nordic countries about 600 years ago.1, 2


Cities Are Quieter Now, But Not Silent as Owls

Although details differ according to where you are, it is often quieter these days due to stay-at-home restrictions on normally noisy human activities. Less loudness and more calmness—some of that can be good1—yet ongoing economic shutdowns can cripple or crush curtailed livelihoods. So it’s calmer now, but not completely silent.

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