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Migratory waterbirds are particularly exposed to the effects of climate change at their breeding areas in the High Arctic and in Africa, according to a new study published in
Bird Conservation International. The research team came to this conclusion after modelling climatic and hydrological conditions under current and future climate scenarios (in 2050) and comparing the impact on the distribution of 197 of the 255 waterbird species listed under the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA). The international team was led by Wetlands International, BirdLife International, and the British Trust for Ornithology, involved researchers from various universities, including McGill. The results suggest that investing more in habitat conservation in the wider landscape, in addition to the conservation of managed protected areas, is urgently needed to help migratory waterbirds adapt to the impacts of climate change.
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Reduction in wetland areas will affect Afrotropical migratory waterbirds
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Sun 3 Jan 2021 01.45 EST
Lockdown has sparked a renewed interest in our garden birds, with millions of us enjoying watching them from our windows. But could some species – including the common and familiar great tit – vanish from Britain’s gardens by the end of the century?
Researchers from the Norwegian University of Science and Technology, working with the University of Oxford, have modelled how great tits are reacting to the climate crisis. Specifically, are the birds able to respond to the earlier emergence of the caterpillars on which they feed their chicks?
Birds such as great tits have evolved to time their breeding cycle so it coincides with the peak of moth caterpillars that feed on oak leaves, which traditionally happens in late May and June. But as temperatures rise, so oaks are coming into leaf earlier, and the caterpillars have responded by hatching out earlier too.