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There is a fantastic paper just out in Science : “Sustained miniaturization and anatomoical innovation in the dinosaurian anceestors of birds” by Michael Lee, Andrea Cau, Darren Naishe and Gareth Dyke. So, for example, humans are apes. The paper that just came out in science has the following spectacular conclusion.
The trend in CII is positive and similar in the two regions. On both continents, interspecific and spatial variation in population abundance trends are well predicted by climate suitability trends. Two primary indices were derived, the Climate Suitability Trend Negative (CST-) and the Climate Suitability Trend Positive (CST+).
There are many more factors than I imagined: compass errors, wind drift, overshooting, extreme weather and irruptions, natural dispersal, and human-driven vagrancy. Some birders may want to carefully read the chapter on human-driven vagrancy, which takes up the question of ship-assisted vagrancy. Next time, I’ll know why.
Bird communication is a complex and evolving science. The six chapters that follow explore bird communication in mating; defending territory; rearing children; responding to predators; interacting with neighbors and functioning in large groups; and communicating successfully in a noisy human world. There is so much here!
It contains numerous citations to the literature, as the process must be based on the best available science. Habitat has been improved and conserved in some areas, though Hawaii’s increasing human population has made that a challenge. Several national parks, national wildlife refuges, and state lands host significant populations.
There’s plenty of science behind the connection between sleep and productivity, a good diet and better time management, or exercise and a positive mindset. If you enjoy science (me, not so much), you can hop on the Internet and go down a lot of rabbit holes. An emerging trend is helping workers improve their financial health.
Not all habitat change is due to humans; there is Chestnut Blight destroying American Chestnuts in the early 1900s, and the more recent Dutch Elm disease. This is a project that clearly spanned decades. Despite these limitations and exceptions, the status and distribution accounts are very useful. Another big year memoir?
It seems the ones I got decent photos of are all juveniles – it generally seems to be easier to get photos of juveniles as they have not quite learned to avoid humans. Thank god that this does not apply to humans. Sometimes being a member of the human race feels very embarrassing.
And while the scientific species name kasumba sounds like some frightening new fitness trend or a dancing game performed on cruise ships, it is apparently just the Malay term for red. Trust me, the species name makes sense for the male, though not for the female. It is also classified as Near Threatened.
More than 150 bird species are known to have become extinct over the past 500 years, and many more are estimated to have been driven to extinction before they became known to science. This plain used to be little affected by humans, being grazed by just a few cattle, goats and camels.
Shorebird identification takes time and is often stressful, there’s heat glare and bugs and drones and dogs and humans. It’s a book that counterpoints and combines facts and personal experiences, science-based and eloquent writing styles, textual description and visual information, a history of abundance and an uncertain future.
I visited Tengchong in late 2020 and wrote about it – but I also went there earlier, in 2017, and this post shows some photos I took during that trip, along with the usual comments that seem to be much more about ridiculing my fellow humans (especially ornithologists and the like) than providing useful information on birds.
B2C companies that harness this trend of reaching ad-skeptical consumers are beefing up their coffers big time, so why are some B2B companies not following suit? National Geographic’s five Instagram channels featured hashtag-worthy images to inspire women to pursue innovative careers in science. The answer isn’t complicated?—?
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