Life 22 September 2020 By Jake Buehler A notch in a male fork-tailed flycatcher’s wing may broadcast their availability to matesJuan Jose Arango / VWPics / Alam As male fork-tailed flycatchers zip around, their wings can produce a high-pitched trilling, and new research shows these whistles have dialects and may be used for communication. Fork-tailed…
By Michael Le Page Wild hummingbirds were able to distinguish between bird feeders by looking at the colours emitted by a special lightNoah Whiteman Birds, reptiles, amphibians and fish may see kinds of colours we cannot even imagine, say researchers whose experiments with wild hummingbirds show they perceive five so-called non-spectral colours. Almost all of…
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