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Using a 50 year time series of photos of cuckoo finch eggs and those of its host, prinia, the authors document that cuckoo eggs evolve towards prinia eggs, but progressive evolution of prinia eggs away from cuckoo eggs results in no detectible increase in mimetic fidelity.
Between 2000 and 2015, reclamation for cropland in China undermined gains in wildlife habitat and the ecosystem services of water retention, sandstorm prevention, carbon sequestration and soil retention by 113.8%, 63.4%, 52.5%, 29.0% and 10.2%, respectively.
Analysis of global eco-acoustic data shows that soundscape-based predictions of avian biodiversity do not generalize across datasets, but changes in soundscapes do consistently indicate changes in avian communities.
Multidecadal ground and remote-sensing observations of Northern Hemisphere forests show that, at the decadal scale, autumn senescence dates and total net carbon assimilation are positively related, despite a negative relationship at the annual scale. This suggests that acclimation relieves the leaf longevity constraints.