Michael W Potter:
Wood Duck male preening female
Michael W Potter:
Ruddy Duck male doing bubble display, female vocalizing
Michael W Potter:
Ruddy Duck male doing bubble display and vocalizing
Michael W Potter:
Ruddy Duck male doing "display run"
Michael W Potter:
Ruddy Duck male doing bubble display
Michael W Potter:
Common Goldeneye male displaying and vocalizing
Michael W Potter:
Common Goldeneye male displaying and vocalizing
Michael W Potter:
Common Goldeneye male displaying to female
Michael W Potter:
Common Goldeneye female displaying to male
Michael W Potter:
Common Goldeneye female 'soliciting' male
Michael W Potter:
Common Merganser female 'soliciting' male
Michael W Potter:
Ruffed Grouse showing ruff
Michael W Potter:
Ruffed Grouse male "drumming"
Michael W Potter:
Sharp-tailed Grouse male displaying and vocalizing
Michael W Potter:
Sharp-tailed Grouse stamping foot during courtship display
Michael W Potter:
Sharp-tailed Grouse male 'dancing' at lek
Michael W Potter:
Sharp-tailed Grouse male with eye combs visible, Golden Bean
Michael W Potter:
Sharp-tailed Grouse two males interacting
Michael W Potter:
Western Grebe pair in rushing display
Michael W Potter:
Western Grebe pair in rushing display
Michael W Potter:
Western Grebe pair displaying
Michael W Potter:
Red-necked Grebe pair displaying and vocalizing
Michael W Potter:
Eurasian Collared-Dove pair mutual preening
Michael W Potter:
Hoatzin pair mating
Michael W Potter:
Northern Gannet pair
Michael W Potter:
Bird Watcher's Digest March/April ’22 issue p. 103
Michael W Potter:
Northern Gannet two pairs
Michael W Potter:
Northern Gannet pair on rock, among others
Michael W Potter:
Northern Gannet pair touching bills
Michael W Potter:
Northern Gannet pair mutual preening