Re Production Collection (page 7)

Starfish regenerating a new body
Starfish growing a new body. The large arm (upper right) was severed from the body of a mature starfish. If the victim survived the injury, it will have grown a new arm

Roman snails mating
Roman snails (Helix pomatia) mating. Photographed in Sweden

Broadclub cuttlefish laying eggs
Female broadclub cuttlefish (Sepia latimanus) laying eggs in fire coral. Photographed in Indonesia

Broadclub cuttlefish mating
Broadclub cuttlefish (Sepia latimanus) mating. After mating, the female lays numerous eggs in individual egg cases, attached to plants, rocks or corals

Pharaoh cuttlefish reproduction
Pharaoh cuttlefish (Sepia pharaonis) reproduction. Male pharaoh cuttlefish (bottom) protecting a female (top) while she lays her eggs

Pond snail embryos. Light micrograph of developing pond snail embryos (Lymnaea stagnalis). The embryos are contained in egg sacs inside a protective jelly-like covering

Emperor penguins and chicks
Emperor penguins (Aptenodytes forsteri) with their three-month-old chicks (grey). The adults feed them by regurgitating fish. These are the only penguins to breed during the Antarctic winter

Adelie penguin with chick
Adelie penguin (Pygoscelis adeliae) on its pebble nest with a two-day-old chick. Adelie penguins normally raise two chicks. The male and female take turns to incubate the eggs and feed the young

Eurasian oystercatcher nest (Haematopus ostralegus) containing three eggs close to Het Noorden windmill. The Eurasian oystercatcher breeds in western Europe, central Eurasia

Male frog and spawn. Male frog (Hyla sp.) surrounded by spawn which he has recently fertilised by squirting his sperm into the water

Mating common frogs (Rana temporaria). Two males compete for one female, both by grasping onto her, a process called amplexus. The male on her back is likely to be successful

Emperor penguin rookery
Emperor penguin (Aptenodytes forsteri) rookery on sea ice. The grey-feathered chicks are three months old. The adults feed them by regurgitating fish

Cape gannet courtship ritual

Snakes mating
Red-sided garter snakes (Thamnophis sirtalis parietalis) mating. The snakes mate in the spring, after emerging from hibernation. Later that year, each female produces about 16 young

Birds of paradise. 19th century artwork of two male great birds of paradise (Paradisea apoda), performing their display dance

Thick-billed weaver nest. This nest was built by the thick-billed weaver (Amblyospiza albifrons). This bird breeds in reeds

Emperor penguin chicks huddling
Emperor penguin (Aptenodytes forsteri) chicks huddling for warmth in the Antarctic spring. These grey-feathered chicks are about one month old. The adults feed them by regurgitating fish

Cleavage in frog egg, light micrograph The division of cells in an early embryo is called cleavage. These cells will eventually develop into a tadpole and then into a frog

American robin nest. Empty nest with the broken shell of an egg from an American robin (Turdus migratorius). The female builds the nest of grass and twigs, normally lays 2-3 eggs

Mating tortoises (family Testudinae). Photographed in Madagascar

Wandering albatrosses. Two male wandering albatrosses (Diomedea exulans) with their wings extended, performing a mating display to a female

Emperor penguins with chick
Emperor penguin (Aptenodytes forsteri) pair with their three-month-old chick. The adults feed the chicks by regurgitating fish

Cleavage in frog egg. The division of cells in an early embryo is called cleavage. These cells will eventually develop into a tadpole and then into a frog

African black oystercatcher chick (Haematopus moquini) and an egg. The female lays a clutch of 1 to 2 eggs, and both male and female incubate the eggs for around 35 days

American robin chicks (Turdus migratorius) peering out of the nest. These birds are common throughout North America, living in woodland as well as in more built-up areas

Pregnant long-tailed macaque (Macaca fascicularis). This monkey is also known as the crab-eating macaque, but its diet is far more varied than that name suggests

Frog egg development. The early stages of the embryos development are evident here although discernible characteristics are yet to emerge

Pair of wandering albatrosses (Diomedea exulans). These birds nest every 2 years, on islands in the sub-Antarctic. Each pair produces a single egg, which is incubated for 11 weeks

Emperor penguins incubating eggs
Emperor penguin (Aptenodytes forsteri) males incubating eggs. This picture was taken in August. These are the only penguins to breed in the Antarctic during the winter

Tadpole metamorphosis. Tadpole of the common frog (Rana temporaria). This tadpole is at the four leg stage (twelve weeks)

Red-sided garter snakes (Thamnophis sirtalis parietalis) in spring, emerging from hibernation. These snakes are in Manitoba, Canada

Common toads mating (Bufo bufo). The male has climbed onto the females back. He will grasp the female for several days until she is ready to ovulate

Common frogs spawning
Common frogs (Rana temporaria) spawning in a moorland pond. The common frog is found throughout Europe. The breeding season begins in March and it hibernates during the winter

Southern elephant seal roaring
Male southern elephant seal (Mirounga leonina) roaring. Mature bulls produce this guttural growl to challenge other males during dominance battles

Cleavage in frog eggs. The division of cells in an early embryo is called cleavage. These cells will eventually develop into tadpoles and then into frogs

Zony (Equus sp.). A zony is the infertile offspring of a zebra stallion and a pony mare. Photographed at De Hoop Nature Reserve, South Africa

Whale song. Waveform traces of a short burst of the sounds made by a humpback whale (Megaptera novaeangliae). These sounds are produced by moving air back and forth through body passages

Emperor penguins sheltering chicks
Emperor penguins (Aptenodytes forsteri) sheltering three-week-old chicks. The males shelter the chicks against the cold by holding them on their feet and covering them with a fold of skin

African buffaloes (Syncerus caffer). Bull (male) African buffalo checking the oestrus state of a cow (female). Cows, which become sexually mature at 5 years of age

Southern elephant seals
Southern elephant seal males (Mirounga leonina) sparring. Elephant seals are named for their snout or proboscis, which becomes enlarged during the breeding season

Bean aphid (Aphis fabae), artwork. This is a wingless female adult. It is able to reproduce parthenogentically (asexual reproduction), giving birth to pregnant offspring

Male mosquito, SEM
Male mosquito. Coloured scanning electron micrograph (SEM) of the head of an unidentified male mosquito (family Culicidae)

Common darter dragonflies (Sympetrum striolatum) mating on a flower. During mating the male dragonfly grasps the females head to pull her into the wheel position in order to copulate

Dead-leaf bush crickets mating
Dead-leaf bush crickets (Typophyllum sp.) mating on a leaf in the rainforest. The smaller male has just transferred a large white sperm packet, known as a spermatophore to the larger female

Flies mating on a grass stalk. The smaller male has mounted the female

May bugs mating
May bugs (Melolontha melolontha) mating. A second male (top) is competing for the female (bottom). The beetles are attracted to light at night and were caught in a light trap put out to catch moths

Mosquito larvae

Fly glandular organ, SEM
Fly glandular organ. Coloured scanning electron micrograph (SEM) of a glandular organ on a March fly (family Bibionidae). This organ is found on the rear of the fly

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Exploring the wonders of reproduction through time and nature. 🌍🔬 From the intricate Catalan Atlas of the 14th century to Da Vinci's innovative crossbow, humans have always sought ways to understand and enhance reproduction. Witness the ancient mating rituals of Tyrannosaurus rex dinosaurs captured in fossils, or marvel at the microscopic beauty of a uterus lining during menstruation under an SEM microscope. Delve into the miracle of life with illustrations showcasing the human placenta or observe English oak acorns as they prepare for their own reproductive journey. Discover nature's secrets with stunning images of geranium anthers and dahlia flower pollen magnified by SEM technology. Follow maple seed flight paths as they embark on their quest for new beginnings, just like Robert Louis Stevenson once wrote about in his captivating works on reproduction. Dive deep into marine life with sea cucumbers, fascinating creatures that possess unique methods of reproduction. And finally, explore the intricate world of plant fertility with mesmerizing SEM images capturing pollen grains in all their glory. Join us on this incredible journey through time and nature as we unravel the mysteries behind 'reproduction'.