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Latest Rebecca Kilner Stories

Birds Evolved Distinctive Patterns To Identify Cuckoo Eggs From Their Own
2014-06-19 03:13:09

University of Cambridge For some birds, recognizing their own eggs can be a matter of life or death. In a new study, scientists have shown that many birds affected by the parasitic Common Cuckoo - which lays its lethal offspring in other birds' nests - have evolved distinctive patterns on their eggs in order to distinguish them from those laid by a cuckoo cheat. The study reveals that these signature patterns provide a powerful defense against cuckoo trickery, helping host birds to...

2009-08-05 09:55:04

Faculty of 1000, the leading scientific evaluation service, has highlighted research providing evidence for the evolution of a new species.Birds use plumage colour to recognize and select potential mates. A mutation of a single DNA base can lead to a striking colour change, as demonstrated by two closely related flycatcher populations in the Solomon Islands. According to a report in the American Naturalist -- selected and reviewed by Faculty of 1000 member Rebecca Kilner (University of...


Word of the Day
tessitura
  • The prevailing range of a vocal or instrumental part, within which most of the tones lie.
This word is Italian in origin and comes from the Latin 'textura,' web, structure.