Eurasian nuthatch
It is known for its energetic behaviour, always in search of food, and for nesting in natural hollows or those left by woodpeckers, which it improves by applying mud to reduce the size of the entrance. It is a territorial species, tenaciously protecting its nest and surrounding territory.
Sitta europaea
Description and how to observe Eurasian nuthatch:
The Eurasian nuthatch has a distinctive plumage, with a bluish-grey dorsal side and yellowish-white breast, and a black stripe across the eyes, giving it a masked appearance. It is easily recognizable by its unique habit of moving upside down on tree trunks. To spot the Eurasian nuthatch, look for it in the oak and poplar forests of the Danube Delta, listen to its clear, repetitive song or watch its intense activity on tree trunks and branches.
What it feeds on Eurasian nuthatch:
The Eurasian nuthatch feed mainly on insects, spiders and grubs during the warm season, and in winter they supplement their diet with seeds and nuts. It is a food hoarding bird, hiding seeds in crevices of trees to have resources available in the cold season.
Threats:
The main threats to the Eurasian nuthatch in the Danube Delta are habitat loss due to deforestation or land-use change and lack of nesting sites. The use of pesticides may also indirectly affect its population by reducing its food source.
Ecological role:
The Eurasian nuthatch plays an essential role in the forest ecosystems of the Danube Delta. By eating insect pests, it contributes to forest health, and by storing food, it helps forest regeneration by spreading seeds.
More information about Sitta europaea:
It is one of the few species of bird that can descend from tree trunks upside down. The Eurasian nuthatch has a curious and energetic temperament and is a fascinating presence for bird enthusiasts. It is protected by European legislation, being listed in Annex I of the Birds Directive, which emphasises the importance of its conservation.
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