" la spéciale Saint Valentin " Grèbe huppé ( Podiceps cristatus ) Focus Distance : 29.85 m

            la spéciale pour fêter la Saint Valentin avec les offrandes . Lors de la parade nuptiale complexe, le mâle et la femelle se font face et dressent le cou. Il nagent de concert, se frottent le cou tout en émettant des cris sonores, plongent puis réapparaissent, l'un des deux présentant des algues à l'autre. Le couple s'immobilise, poitrine contre poitrine, et chaque oiseau tourne la tête d'un côté puis de l'autre. c'est la fameuse figure de " la chandelle " . Ce manège peut se perpétuer même lorsque les grèbes sont occupés à la construction du nid. Ce dernier est constitué principalement d'algues . Il peut reposer sur un fond vaseux mais il est conçu en principe pour affleurer la surface.
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the special to celebrate Valentine's Day with the offerings. During the complex courtship, the male and the female face each other and raise the neck. They swim together, rub their necks while emitting loud cries, dive and then reappear, one of them having algae to another. The couple stands still, chest to chest, and each bird turns its head on one side then the other. it is the famous figure of "the candle". This ride can continue even when grebes are busy building the nest. The latter consists mainly of algae. It can rest on a muddy bottom but it is designed in principle to be flush with the surface.
   

Taken in: France / Picardie / St.-Quentin (show map)

Taken on: February 13, 2018

Tags:

offrande

parade-nuptiale

étang

accouplement

Nikon

D500

300mm-f/4

parc-d'isle « less

Sets appears in: • # les Grèbes #

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

Camera: Nikon D500, f/5.6, 1/640 sec, 420mm (=630mm), ISO 100 (more info) (hide info)

Camera:	Nikon D500
Aperture:	f/5.6
Exposure Time:	0.002 sec (1/640)
Focal Length:	420mm (35mm equivalent: 630mm)
ISO:	100
Exposure Bias:	-2/3 EV
Flash:	No Flash
Exposure Program:	Aperture-priority AE
Exposure Mode:	Auto
Metering Mode:	Center-weighted average
White Balance:	Auto
Color Space:	sRGB
Software:	Ver.1.02
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