page_title: Spanish sparrow
section_title: Breeding
hierarchical_section_title: Spanish sparrow / Behaviour and ecology / Breeding
caption_attribution_description: Deutsch&#x3a;&#32; Ei von Weidensperling. Sammlung René de Naurois /Jacques Perrin de Brichambaut.English&#x3a;&#32; Egg of Spanish Sparrow. Collection of René de NauroisJacques Perrin de Brichambaut.Français&#x202f;&#x3a;&#32; Œuf de Moineau espagnol. Collection de René de Naurois / Jacques Perrin de Brichambaut.
context_page_description: The Spanish sparrow or willow sparrow is a passerine bird of the sparrow family Passeridae. It is found in the Mediterranean region and south-west and central Asia. It is very similar to the closely related house sparrow, and the two species show their close relation in a "biological mix-up" of hybridisation in the Mediterranean region, which complicates the taxonomy of this species.
context_section_description: The Spanish sparrow nests in large colonies of closely spaced or even multiple shared nests. Nests are usually placed in trees or bushes, amongst branches or underneath the nests of larger birds such as white storks. Colonies may hold from ten pairs to hundreds of thousands of pairs. Each pair lays 3–8 eggs, which hatch in 12 days, with the chicks fledging when about 14 days old. Males spend more time constructing nests than females.
caption: Eggs from the collection of the Muséum de Toulouse
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