Royal Terns #1
Paul J. Fusco
Male Sage Grouse In Mating Display
Ron Sanford
Royal Terns
Paul J. Fusco
Bighorn Sheep Dominance Display
Thomas And Pat Leeson
Courting Great Frigatebirds
Sidney Bahrt
King Penguins #4
Art Wolfe
Rabbit Mating Behavior
M. Watson
Spring Peeper, Hyla Crucifer, Mating
Scott Camazine
Spring Peeper, Hyla Crucifer, Mating #1
Scott Camazine
Spring Peeper, Hyla Crucifer, Mating #3
Scott Camazine
Spring Peeper, Hyla Crucifer, Mating #4
Scott Camazine
Spring Peeper, Hyla Crucifer, Mating #2
Scott Camazine
Bull Moose #4
Ron Sanford
Wild Horses Mating
Michael Lustbader
Male Rufous Hummingbird #1
Tom and Pat Leeson
Frigate Bird Displaying
Greg Ochocki
Bighorn Ram Chases Ewe
Thomas And Pat Leeson
American Bison Bull Dust-bathing
Thomas And Pat Leeson
American Bison Bull Dust-bathing #1
Thomas And Pat Leeson
American Bison Dust-bathing
Thomas And Pat Leeson
Bighorn Rams Dominance Display
Thomas And Pat Leeson
Columbian Sharp-tailed Grouse On Lek
William H. Mullins
Columbian Sharp-tailed Grouse
William H. Mullins
Magnificent Frigatebird Displaying
Mark Harmel
Elephant Seal
Thomas And Pat Leeson
Ring-necked Duck Drake
Linda Arndt
Peacock Displaying
Hans Reinhard
White Herons
James L. Amos
Bull Moose In Rut
Ron Sanford
Male and Female Harvest Mice
Jean-Louis Klein and Marie-Luce Hubert
Whiskered Screech Owl #2
Anthony Mercieca
Cave Swallows #1
Anthony Mercieca
Inca Doves
Anthony Mercieca
Whiskered Screech Owls
Anthony Mercieca
Indian Peacock Pavo Cristatus
John Serrao
Falkland Flightless Steamer Duck
Jean-Louis Klein & Marie-Luce Hubert
Emperor Penguin Greeting
Jean-Louis Klein & Marie-Luce Hubert
Male & Female Harvest Mice #1
Jean-Louis Klein & Marie-Luce Hubert
European Rabbit Pair
M. Watson
Turkey #2
Millard H. Sharp
Turkey #3
Millard H. Sharp
Turkey #4
Millard H. Sharp
Wasp Courtship
Simon D. Pollard
Orange-fronted Parakeets
Gerald C. Kelley
Peacock Displaying
Greg Ochocki
Peacock Displaying #1
Greg Ochocki
Peacock Pavo Cristatus Displaying
R. Van Nostrand
Chinstrap Penguin
Robert Hernandez
Alligator Courtship
Robert C. Hermes
Alligator Courtship #1
Robert C. Hermes
Monarch Butterflies
Anthony Mercieca
Mallards Chasing Female
James Zipp
Great Egret With Stick
Ivan Kuzmin
Couple Of Great Egrets
Ivan Kuzmin
Couple Of Great Egrets #1
Ivan Kuzmin
Great Egret With Stick #1
Ivan Kuzmin
Great Egret With Stick #2
Ivan Kuzmin
Couple Of Great Egrets #2
Ivan Kuzmin
Male & Female Harvest Mice
Jean-Louis Klein & Marie-Luce Hubert
Turkey #1
Millard H. Sharp
Peacock Displaying
F. Stuart Westmorland
Adelie Penguin With Rock
Robert Hernandez
Great Blue Herons Nesting
Art Wolfe
Turkey #5
Millard H. Sharp
Lion And Lioness Mating
Greg Dimijian
Great Crested Grebes
Des Ong FLPA
Gentoo Penguins Bonding
Gregory G. Dimijian
Mating Crayfish
John Mitchell
Frigatebird Mating Display
Ron Sanford
Damselflies Mating
K.G. Vock/Okapia
Cuviers Gazelles Mating
Toni Angermayer