Anaemic starlings have fewer chicks (sometimes)
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Anaemic starlings have fewer chicks (sometimes)
In the murky waters of the Amazon River, electric eels (Electrophorus electricus) bombard their prey with quick-fire bursts of electricity. Just like a TASER, a rapid volley of electrical impulses causes repeated muscle contractions and immobilizes prey. Eels can then swallow their unlucky victims whole. Although this electrical weaponry is around two and a half times more powerful than the dis...
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In this issue of ecp, Evidence Matters focuses on obstetric care and how it might be done more efficiently. The goal of prenatal care is to ensure delivery of a healthy baby to a healthy mother. The standard regimen of care that most obstetric providers have been trained to use is intense—14 visits during a 40-week pregnancy and a myriad of screening tests. Many recommended aspects of prenatal ...
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It has been claimed that recursion is one of the properties that distinguishes human language from any other form of animal communication. Contrary to this claim, a recent study purports to demonstrate center-embedded recursion in starlings. I show that the performance of the birds in this study can be explained by a counting strategy, without any appreciation of center-embedding. To demonstrat...
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ژورنال
عنوان ژورنال: Journal of Experimental Biology
سال: 2016
ISSN: 1477-9145,0022-0949
DOI: 10.1242/jeb.129916