Merlo Acquaiolo, Nikon D500, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Fabrizio Nucci
WMD_3397, Nikon D610, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Wilferd Duckitt
WMD_3398, Nikon D610, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Wilferd Duckitt
WMD_3399, Nikon D610, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Wilferd Duckitt
Australian Spotted Crake In, Nikon D810, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © I Am birdsaspoetry.com 
WMD_3330, Nikon D610, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Wilferd Duckitt
WMD_3331, Nikon D610, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Wilferd Duckitt
WMD_3332, Nikon D610, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Wilferd Duckitt
Super Blood Wolf Moon, Nikon D850, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Steve Hayward
Female and Male, Nikon D500, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Ed Post
WMD_3046, Nikon D610, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Wilferd Duckitt
WMD_3047, Nikon D610, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Wilferd Duckitt
WMD_2606, Nikon D610, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Wilferd Duckitt
WMD_2607, Nikon D610, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Wilferd Duckitt
WMD_2609, Nikon D610, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Wilferd Duckitt
Stormy morning - VJ3_6437, Nikon D850, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Viggo Johansen
Stormy morning - VJ3_6580, Nikon D850, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Viggo Johansen
Saw-Whet Owl #4 (lifer explored 1/7/19), Nikon D500, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Kevin Fox
_8509995_2400, Nikon D850, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Fulvio Mancuso
Der Singschwan Cygnus cygnus, Nikon D7200, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Arne Flemke-Gezeiten Photography
Der Singschwan Cygnus cygnus, Nikon D7200, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Arne Flemke-Gezeiten Photography
Reindeer, Nikon D4S, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Charlotte Henriksen
Waldohreule Asio otus beginnt, Nikon D7200, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Arne Flemke-Gezeiten Photography
Trumpeter Swan (Cygnus buccinator), Nikon D500, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Ed Post
Cucu! (Chloris chloris), Nikon D7200, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Luca Tamagno
White-tailed Deer Buck, Nikon D850, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Mario Nonaka
Magic winter light, Nikon D300, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Knut Sandaker
Yellow-rumped Cacique #Explored, Nikon D850, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Mario Nonaka
Airone Cenerino, Nikon D500, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Carlo Segalini
Mallard (Anas platyrhynchos), Nikon D500, Sigma 150-600mm F5-6.3 DG OS HSM | S
flickr.com © Ed Post