Sittelle torchepot ( Sitta europaea )

            La Sittelle torchepot  ( Sitta europaea ) est un oiseau dit cavernicole en ce sens qu'il niche dans un trou d'arbre, plus rarement dans une cavité de mur ou de rocher. Il occupe souvent un nid vacant de pic. Il ne creuse que très rarement sa propre cavité. C'est en squattant les logis abandonnés d'oiseaux plus grands que la Sittelle torchepot fait preuve d'une autre originalité. En effet le trou de vol étant trop grand pour ses besoins, elle s'emploie à le rétrécir afin qu'il n'atteigne que 29-3l mm, ce qui en interdit l'entrée à d'autres candidats, comme l'étourneau par exemple.
 
C'est le travail de la femelle. Au moyen de boulettes de terre ou d'argile imprégnées de salive, elle maçonne soigneusement un chambranle aux dimensions voulues. C'est cette aptitude qui lui a valu le qualificatif de torchepot (torchis).
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The Eurasian Nuthatch (Sitta europaea) is a so-called cavernicolous bird in that it nests in a tree hole, more rarely in a wall or rock cavity. It often occupies a vacant peak nest. It rarely digs its own cavity. It is by squatting abandoned houses of larger birds that the Nuthatch torchepot is showing another originality. Indeed the flight hole being too big for its needs, it works to shrink it so that it reaches only 29-3l mm, which prohibits entry to other candidates, such as the starling for example.
 
It's the work of the female. By means of saliva-impregnated clay or clay balls, she carefully masonates a jamb to the desired dimensions. It is this ability that earned him the name of torchpot (mud).
   

Taken in: France / Picardie / Courcelles (show map)

Taken on: March 19, 2019

Tags:

Sittelle torchepot

Sitta europaea

bokeh

Nikon D500

Nikkor 200-500 mm f/5.6 « less

Sets appears in: • # la Rigole du Noirieu # • # les Passereaux divers #

Groups appears in: • Flickr Social • Flickr-at-Home

Camera: Nikon D500, f/7.1, 1/1600 sec, 420mm (=630mm), ISO 250 (more info) (hide info)

Camera:	Nikon D500
Aperture:	f/7.1
Exposure Time:	0.001 sec (1/1600)
Focal Length:	420mm (35mm equivalent: 630mm)
ISO:	250
Exposure Bias:	-2/3 EV
Flash:	No Flash
Exposure Program:	Aperture-priority AE
Exposure Mode:	Auto
Metering Mode:	Center-weighted average
White Balance:	Auto
Sharpness:	Hard
Color Space:	sRGB
Software:	Ver.1.02
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