A pair of red-necked grebes (Podiceps grisegena) swim, one diving headfirst. Alaska 2014.
31.08.2014 · Canon EOS 5D MkIII - EF600mmL+1.4x@840mm - 1/1000 Sek. bei f/7.1 ISO200
© Dr. Claus Possberg · Lizenz / License·possi.space