1116-37821 - Papua New Guinea, pair of mating scorpionfish, close-up

1116-30420 - Micronesia, Yap, Two Mandarinfish (Synchiropus splendidus) performing mating dance.

1116-35750 - Palau, Pair of nautilus shells. [For use up to 13x20 only]

1116-15789 - Male Elk (Cervus elaphus) during Mating (Rut) Season, Jasper National Park, Alberta, Canada

1116-17999 - Male moose scenting female, Gaspesie National Park, Quebec

1112-403 - Elegant terns (Thalasseus elegans) mating, Isla Rasa, Gulf of alifornia (Sea of Cortez), Baja California, Mexico, North America

1112-412 - Elegant tern (Thalasseus elegans) breeding colony, Isla Rasa, Gulf of California (Sea of Cortez), Baja California, Mexico, North America

1112-404 - Elegant terns (Thalasseus elegans) mating, Isla Rasa, Gulf of California (Sea of Cortez), Baja California, Mexico, North America

1112-419 - Elegant tern (Thalasseus elegans) breeding colony, Isla Rasa, Gulf of California (Sea of Cortez), Baja California, Mexico, North America

1112-418 - Elegant tern (Thalasseus elegans) breeding colony, Isla Rasa, Gulf of California (Sea of Cortez), Baja California, Mexico, North America

1112-415 - Elegant tern (Thalasseus elegans) and Heermann's gull (Larus heermanni) breeding colony, Isla Rasa, Gulf of California (Sea of Cortez), Baja California, Mexico, North America

1112-413 - Elegant tern (Thalasseus elegans) breeding colony, Isla Rasa, Gulf of California (Sea of Cortez), Baja California, Mexico, North America

1112-414 - Elegant tern (Thalasseus elegans) breeding colony, Isla Rasa, Gulf of California (Sea of Cortez), Baja California, Mexico, North America

1112-416 - Elegant tern (Thalasseus elegans) and Heermann's gull (Larus heermanni) breeding colony, Isla Rasa, Gulf of California (Sea of Cortez), Baja California, Mexico, North America

1112-327 - Heermann's gulls (Larus heermanni) mating, Isla Rasa, Gulf of California (Sea of Cortez), Mexico, North America

1112-322 - Heermann's gulls (Larus heermanni) mating, Isla Rasa, Gulf of California (Sea of Cortez), Mexico, North America

857-35850 - A pair of Pacific walruses (Odobenus rosmarus) joust with ivory tusks on the rocky shore of Walrus Islands State Game Sanctuary on Round Island at Bristol Bay in Alaska's Bering Sea.

1112-160 - Dragonflies mating, Santa Cruz Island, Galapagos Islands, Ecuador, South America

832-19191 - Moor frog (Rana arvalis)

832-35298 - Red Deer (Cervus elaphus), stag in rutting season, Tirol, Austria, Europe

832-17827 - Mouflon (Ovis ammon musimon), flehmen response during mating season

832-20750 - Azure Damselfly (Coenagrion puella) mating

832-35299 - Red Deer (Cervus elaphus), stag, Tirol, Austria, Europe

832-19192 - Moor frog (Rana arvalis)

1103-124 - Nembrotha kubaryana nudibranches mating, Sulawesi, Indonesia, Southeast Asia, Asia

1103-137 - Mandarinfish (Synchiropus splendidus) mating, Sulawesi, Indonesia, Southeast Asia, Asia

832-19193 - Moor frog (Rana arvalis)

832-19121 - Water frog pool frog ( Rana esculenta) sitting near by frog spawn on stone in water

917-505 - Short-beaked common dolphins (Delphinus delphis), mating behaviour, west of Faial Island, Azores, Atlantic Ocean, Portugal, Europe

1190-158 - Moose, alces alces. In fall; female/cow and male/ bull; in mating season tundra in fall colour north america

1198-153 - Common darter dragonfly (sympetrum striolatum) close-up of pair mating, oxfordshire, uk

1198-398 - Common darter dragonfly (sympetrum striolatum) pair mating on grass stem, oxfordshire, uk

1198-419 - Azure damselfly (coenagrion puella) pair mating, kent, uk

1198-223 - Rook (corvus frugilegus) several males trying to mate with a female, oxfordshire, uk

1198-379 - Mallard (anas platyrhynchos) several males trying to mate with one female, slimbridge, uk

1198-599 - Common darter dragonfly (sympetrum striolatum) pair mating, oxfordshire, uk

1198-297 - Mallard (anas platyrhynchos) several males trying to mate with one female, slimbridge, uk

1198-401 - Bewicks swan (cygnus columbianus) pair mating on water, slimbridge, uk

1198-479 - Mallard (anas platyrhynchos) several malse trying to mate with one female, slimbridge, uk

1198-568 - Owl butterfly (caligo sp.) pair mating

1190-199 - Horned puffin, fratercula corniculata. Couple standing on rock; evening light

1198-236 - Common blue damselfly (enallagma cyathigerum) egg laying on water surface, oxfordshire, uk

1198-685 - Common darter dragonfly (sympetrum striolatum) pair mating on thistle plant, oxfordshire, uk

1198-157 - African penguin (spheniscus demersus) pair mating, simonstown, south africa

1190-198 - Horned puffin, fratercula corniculata. Couple standing on rock

1190-200 - Horned puffin, fratercula corniculata. Couple standing on rock; evening light

918-15 - Atlas moth (Attacus atlas) mating. Balikpapan Bay, East Kalimantan, Borneo, Indonesia, Southeast Asia, Asia

907-86 - Aerial view of Southern right whales (Balaena glacialis australis). Males courting a female in shallow water. Cape Peninsular, South Africa (rr)

907-81 - Aerial view of Southern right whales (Balaena glacialis australis). Male courting a female in shallow water. Cape Peninsular, South Africa (rr)

947-49 - Aerial view of Northern right whales (Balaena glacialis glacialis) in courtship. Gulf of Maine, USA. (rr)

947-41 - Aerial view of Northern right whales (Balaena glacialis glacialis). Males courting a female. Gulf of Maine, USA. (rr)

947-39 - Aerial view of Northern right whales (Balaena glacialis glacialis). Males courting a female. Gulf of Maine, USA. (rr)

1022-23 - Hamlet fish, mating. Caymans.

908-190 - Cuttlefish (Sepia officinalis) Two mating. Babbacombe, Torquay, South Devon, UK (RR)

1022-24 - Mating Hamlet fish. Caymans.

908-187 - Cuttlefish (Sepia officinalis) Courtship. Babbacombe, Torquay, South Devon, UK (RR)

908-174 - Cuttlefish (Sepia officinalis) Mating/Courtship. Babbacombe, Torquay, South Devon, UK (RR)

908-193 - Cuttlefish (Sepia officinalis) Mating. Babbacombe, Torquay, South Devon, UK

908-172 - Cuttlefish (Sepia officinalis) Two mating head to head within minutes of first encounter. Babbacombe, Torquay, South Devon, UK (RR)

908-182 - Cuttlefish (Sepia officinalis) Courtship. Babbacombe, Torquay, South Devon, UK (RR)

908-195 - Cuttlefish (Sepia officinalis) Mating/Courtship. Babbacombe, Torquay, South Devon, UK

908-194 - Cuttlefish (Sepia officinalis) Mating/Courtship. Babbacombe, Torquay, South Devon, UK

908-175 - Cuttlefish (Sepia officinalis) Courtship. Babbacombe, Torquay, South Devon, UK (RR)

1022-25 - Mating Hamlet fish. Caymans.

908-178 - Cuttlefishes (Sepia officinalis) Mating. Babbacombe, Torquay, South Devon, UK (RR)

939-2 - Male Risso's dolphins (Grampus griseus) competing for female.

908-202 - Cuttlefish (Sepia officinalis) Two in courtship/mating, being filmed by diver. Babbacombe, Torquay, South Devon, UK

1072-7 - Butter hamlets mating at sunset, Cayman Islands

908-203 - Cuttlefish (Sepia officinalis) Two in courtship/mating, being filmed by diver. Babbacombe, Torquay, South Devon, UK (RR)

908-180 - Cuttlefish (Sepia officinalis) Two mating. Babbacombe, Torquay, South Devon, UK (RR)

988-130 - Guillemot (Uria aalge), razorbill (Alca torda) and puffin (Fratercula arctica) nesting together. Space is at a premium on the nesting sites in the Treshnish Isles so different species have to get along with each other. Hebrides, Scotland

988-123 - Horned puffin (Fratercula arctica). Mating behaviour by nesting burrow. Hebrides, Scotland (RR)

909-67 - Five gaming Southern Royal Albatross (Diomedea Epomophora). Campbell Island, Subantarctic New Zealand. (RR)

907-33 - Wattle Cranes mating dance. Okavango Delta, Botswana

1004-559 - Common tern (Sterna hirundo) displaying. UK (RR)

1004-571 - Nudibranchs (Coryphella) mating. UK

1012-150 - Moon-faced Euselenops (Euselenops luniceps) mating. Lembeh Strait, Sulawesi, Indonesia

1036-117 - Grey whale (Eschrichtius robustus). Erect penis during courtship. San Ignacio Lagoon, Baja, California.

1012-14 - Pygmy killer whale (Feresa attenuata) mating pair. Hawaii.

909-80 - Female Hooker’s Sea Lions (Phocarctos Hookeri) between birth giving and mating. Sandy Bay, Auckland Island, Subantarctic New Zealand.

1036-113 - Grey whale (Eschrichtius robustus). Penis showing during courtship. San Ignacio Lagoon, Baja, Mexico

909-38 - Big male Hookerís Sea Lion (Phocarctos Hookeri) checking out its next mate. Sandy Bay, Auckland Island, Subantarctic New Zealand.

909-37 - Big male Hookerís Sea Lion (Phocarctos Hookeri) checking out its next mate. Sandy Bay, Auckland Island, Subantarctic New Zealand.

1036-189 - Smooth newt male (Triturus vulgaris) courting a female on pondweed (Elodia crispa). Bristol, UK.

931-144 - Mobula ray (Mobula japonica). Mobula rays. Gulf of California.

931-145 - Mobula ray (Mobula japonica). A large densely pcked group of mobula rays. Gulf of California.

1034-88 - Gentoo penguins (Pygoscelis papua) mating (male on top), Cuverville Island, Antarctica, Southern Ocean.

995-95 - Eider duck (Somateria mollissima), male and female. Eider male and female interacting with each other in a winter raft. Demonstration of size difference between male and female.

995-34 - Black Guillemot (Cepphus grylle) circling in a paring/mating ritual in the middle of Oban Bay with boats in the background. Black Guillemots nest in drains and holes in the sea wall in the middle of Oban town centre. Argyll, Scotland, UK

921-637 - Wild Adult Tufted Puffins (Fratercula cirrhata), Colony, In breeding plumage, Bering Islands (Bering sea), Russia, Asia.

965-314 - Wild Boar (Sus Scrofa), wild. Bandhavgarh Tiger Reserve, India

969-257 - Common Dolphin Mating Behaviour just below the surface. The Azores

979-1940 - Heermann's Gull (Larus heermanni) mating ritual on their breeding grounds on Isla Rasa in the middle Gulf of California (Sea of Cortez), Mexico

979-9567 - California Gray Whale (Eschrichtius robustus) in San Ignacio Lagoon on the Pacific side of the Baja Peninsula, Baja California Sur, Mexico

979-1809 - Adult wandering albatross (Diomedea exulans) landing on Prion Island, Bay of Isles, South Georgia Island, Southern Atlantic Ocean

979-1942 - Heermann's Gull (Larus heermanni) mating ritual on their breeding grounds on Isla Rasa in the middle Gulf of California (Sea of Cortez), Mexico

979-1977 - Breeding adult male and female harlequin ducks (Histrionicus histrionicus) in Red Bluff Bay on Baranof Island, Southeast Alaska

979-3223 - Adult waved albatross (Diomedea irrorata) at breeding colony on Espanola Island in the Galapagos Island Archipelago, Ecuador

979-9529 - Blue-footed booby (Sula nebouxii) courtship behavior in the Galapagos Island Archipelago, Ecuador

979-1832 - Three Red-billed Tropicbird (Phaethon aethereus) in flight during mating season over Isla San Pedro Martir in the Gulf of California (Sea of Cortez), Mexico.