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A paper on the species asks the important question “Does nest sanitation elicit egg rejection in an open-cup nesting cuckoo host rejecter?” ” To rephrase: if you put some trash into a nest of a bird along with a cuckoo egg, does that improve the chance that the cuckoo egg will be kicked out? How to find out?
An accomplished popular science writer, Ackerman started out as a writer and researcher for National Geographic ‘s book division and has since written articles and books on such diverse scientific subjects as heredity, the common cold, dragonflies, and wildlife in Japan.
This would have allowed you to summarize your experience in sentences such as “A total of 98 boluses regurgitated by 52 chicks aged 1 day to 11 days after hatching form the sample and are shown to contain 323 food items.” Where it is not – for example, in Japan – it will have difficulties finding a partner to mate.
This is the story of Fox’s experiences on board the Achiever, the research vessel of the Raincoast Conservation Foundation. The species was seemingly killed off by feather hunters, but then, after years, reappeared at the site of one of the deserted breeding colonies, Torishima Island in Japan.
Of course, it is hard to resist looking at a paper titled “Host personality predicts cuckoo egg rejection in Daurian redstarts” Basically, the personality of a female redstart (bold or shy) predicts the responses to parasitic eggs – bold hosts are more likely to reject parasitic eggs. Not this one though.
To research this book, he traveled extensively to see as many woodpeckers as he could; this field experience was supplemented with museum research and consultations with other experts, plus a library of print material ranging from field guides to scientific papers.
So sorry, but this is a necessary part of our thought experiment!) Let’s do another thought experiment. First, I set the dial to produce the kind of high energy radioactive radiation stuff that would be emitted by an atomic bomb, and calibrate it to dose you (sorry, but this is necessary for our thought experiment!)
I’m sure many of you have had similar experiences. I’m wondering as I write if you are shaking your head, uneasy that all these FACTS will interfere with your love of observing owls, an experience that easily borders on the mystical for some of us. But what do we know beyond these commonly seen and heard behaviors?
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