Keyword: Mating
Photo
BIR022-00034
A male Gunnison’s sage grouse struts and displays his inflated neck sac, trying to attract a mate. (Near Gunnison, CO.)
Photo
BIR022-00030
A male Gunnison’s sage grouse struts and displays his inflated neck sac, trying to attract a mate. (Near Gunnison, CO.)
Photo
BIR022-00029
A male Gunnison’s sage grouse struts and displays his inflated neck sac, trying to attract a mate. (Near Gunnison, CO.)
Photo
BIR022-00028
A male Gunnison’s sage grouse struts and displays his inflated neck sac, trying to attract a mate. (Near Gunnison, CO.)
Photo
BIR022-00027
A male Gunnison’s sage grouse struts and displays his inflated neck sac, trying to attract a mate. (Near Gunnison, CO.)
Photo
BIR022-00026
A male Gunnison’s sage grouse struts and displays his inflated neck sac, trying to attract a mate. (Near Gunnison, CO.)
Photo
BIR022-00025
A male Gunnison’s sage grouse struts and displays his inflated neck sac, trying to attract a mate. (Near Gunnison, CO.)
Photo
BIR022-00017
A male Gunnison’s sage grouse struts, trying to attract a mate. (Near Gunnison, CO.)
Photo
BIR022-00016
A male Gunnison’s sage grouse struts and displays his inflated neck sac, trying to attract a mate. (Near Gunnison, CO.)
Photo
BIR022-00015
A male Gunnison’s sage grouse struts and displays his inflated neck sac, trying to attract a mate. (Near Gunnison, CO.)
Photo
BEA006-00004
Two grizzly bears mating at Brooks Falls in Katmai NationalPark, Alaska.
Photo
APC001-00014
Two male Attwater’s prairie-chickens (endangered) fight over the attention of nearby females on a booming ground in Texas.
Photo
APC001-00012
A male Attwater’s prairie-chicken (endangered) shakes off the rain. Waiting all day for females in an open pasture means exposure to the elements; in extreme weather, some birds die.
Photo
APC001-00011
Two male Attwater’s prairie-chickens (endangered) fight at the Nature Conservancy’s Texas City Prairie Preserve, the last functional lek known to exist.
Photo
APC001-00009
An endangered male Attwater’s prairie chicken booms inside a pen at the Attwater Prairie Chicken NWR. Captive-raised males are allowed to breed and then turned loose while the females incubate their eggs in the pen.
Photo
APC001-00010
A captive male Attwater’s prairie-chicken takes on all comers, viewing humans as well as fellow APC’s as competition for females.
Photo
APC001-00008
‘Frankie’ the male Attwater’s prairie chicken boomed and strutted outside a pen at the APC NWR for weeks, hoping to get a chance to mate. His persistence paid off; he was eventually let inside the pen and mated successfully.
Photo
APC001-00006
Two male Attwater’s prairie-chickens (endangered) face off on the Nature Conservancy’s booming ground near Texas City, TX.
Photo
APC001-00007
During the booming season, endangered male Attwater’s prairie-chickens shake their tail feathers like there’s no tomorrow hoping to attract a mate.
Photo
APC001-00004
Crowing is one way male Attwater’s prairie-chickens proclaim their territory on the booming ground. (Texas City, TX.)
Photo
APC001-00005
One of the last wild male Attwater’s prairie chickens booming near Texas City, TX.
Photo
APC001-00003
This cattle pasture 40 miles from Houston is now the last booming ground or lek for the Attwater’s prairie-chicken. Between ten and twenty birds use this spot every year, but how long they can hold out is uncertain.
Photo
ANI008-00021
Male and female Steller sea lions (endangered) at a haul-out near Ketchikan, Alaska.
Photo
ANI008-00020
Male and female Steller sea lions (endangered) at a haul-out near Ketchikan, Alaska.
Photo
ANI008-00018
Male and female Steller sea lions (endangered) at a haul-out near Ketchikan, Alaska.
