Bullfrog
Big frog. Bigger boom.
Reproductive Methods
Reproductive Methods
Biological mechanisms animals use for reproduction and fertilization.
2,784
Animals
7
Categories
Featured Reproductive Methods
Biological mechanisms animals use for reproduction and fertilization.
Internal Fertilization
Sperm fertilizes egg inside the female's body, common in mammals, reptiles, and birds
Managed / Selective Breeding
Human-controlled reproduction through artificial insemination or selective pairing
Broadcast Spawning
Eggs and sperm released into water for external fertilization, common in marine…
Substrate Spawning
Eggs deposited on surfaces with external fertilization and often parental care
Featured Reproductive Methods Animals
Milkweed aphids
Golden sap-sipper of milkweed
Cougar
One cat. Two continents.
Zonkey
Half stripes, full attitude
King Crab
Cold-water royalty of the seafloor
Stromatolite
Rocks built by microbes, for eons
Leech
Two suckers, many lifestyles.
Cichlid
Nature's masters of rapid evolution
African Forest Elephant
The rainforest's master gardener
Mourning Gecko
One gecko can start a colony
All Categories
Browse all 7 categories
Broadcast Spawning
Eggs and sperm released into water for external fertilization, common in marine…
+176
Internal Fertilization
Sperm fertilizes egg inside the female's body, common in mammals, reptiles, and…
+1,896
Managed / Selective Breeding
Human-controlled reproduction through artificial insemination or selective pairing
+496
Parthenogenesis
Development from unfertilized eggs, producing offspring without male contribution
+9
Sequential Hermaphrodite
Organisms that change sex during their lifetime, either male-to-female or female-to-male
+3
Simultaneous Hermaphrodite
Organisms possessing functional male and female reproductive organs at the same time
+9
Substrate Spawning
Eggs deposited on surfaces with external fertilization and often parental care
+174