Suspected Eurasian Wigeon x Northern Pintail Hybrid

Suspected Eurasian Wigeon x Northern Pintail Hybrid

Suspected Eurasian Wigeon x Northern Pintail Hybrid

Suspected Eurasian Wigeon x Northern Pintail Hybrid, bathing

Foraging Eurasian Wigeon

Foraging Eurasian Wigeon

Foraging Eurasian Wigeon

Northern Pintail, eyelid movement

Ferruginous Duck (suspected hybrid)

Ferruginous Duck (suspected hybrid), preening

Ferruginous Duck (suspected hybrid), preening

Chromosome studies in Drosera, the Droseraceae in connection with possible origin of the basic chromosome number of X=10 well-differentiated in the northern hemisphere