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NiusBreeding is one of the most fascinating parts of the biological cycle of birds. All birds lay eggs that need to be heated so that the embryo develops. No bird is free of this task and most of them (but not all of them) solve it by building nests where they will incubate their eggs for days, weeks or months, depending on the size of the bird. But the nest needs to be strong enough to stand bad weather, or hidden enough so as not to be found by predators, or simple enough to be built fast, or must be in a reptile-proof cavity and so on; that’s why the variety of nests we can find is extraordinary.

The Grup Ornitològic de Ponent, with Eladi Ribes and Ramon Masip, will hand over their exhibition NESTS to the Delta Birding Festival 2017 that consists of more than 50 nests of more than 50 different bird species. You will see nests made of spider webs (Zitting Cisticola), of mud (swallows), of twigs and moss (sylvia warblers), in tree holes (woodpeckers), in rock holes (many species) or even aberrant nests made of wire and plastic (woodpigeon and golden oriole).

The exhibition speaks for itself but if you want to know more about the making of and many curiosities about bird breeding, you just can’t miss out on the guided visits that the authors will offer. Check the timetable in the festival’s programme and be ready to discover amazing details of one of the most interesting phases of the biological cycle of birds.

Author: Ricard Losarcos