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Bird-feeding threatens native grey warbler

Amy Guest posted in on May 6th, 2015.

Garden bird-feeding directly influences the number of native and introduced bird species in a local area, according to new research from the University of Auckland. Through monthly observations of 23 test sites over an 18 month period, the study, published in PNAS on Tuesday, found supplementary feeding of grains and bread changed the local bird population structure. […]

TVNZ/NZPA: Cuckoo steps up evolutionary arms race: study

Peter Griffin posted in on April 1st, 2010.

The completion of the first detailed look into the relationship between New Zealand’s shining cuckoos and grey warblers suggests that the cuckoos have have escalated the ‘arms race’ common to co-evolution. An excerpt: (read in full here) “Contrary to the idea of co-evolution, the shining cuckoo has developed prowess as an artful mimic, while the […]

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