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Points of divergence concerning alternate biological properties, alternate evolutionary routes and extinctions of life and lifeforms on Earth.

• Why are there no two-legged predators ?
• WI recent large animal extinctions were averted ?
• Discussion on the possible survival of some species of extinct megafauna
• Which extinctions could have been prevented ?
• WI no Permian extinction ?
• WI no K-T extinction ? (1)
• WI no K-T extinction ? (2)
• Alternate extinctions
• Alternate invasive species
• Extinct animal species alternate outcomes
• AH Challenge: Prevent an extinction (1)
• AH Challenge: Prevent an extinction (2)
• WI recent large animal extinctions were averted ?
• PODs about various extinct animal species
• Saving Holocene animals from extinction
• If these animals hadn't gone extinct, how would they fare today ?
• WI Non-human animal with language (possibly coexisting with humans)
• Alternate introduced fauna in Australia
• Life on Europa: What would it be like ?
• FBWI: Life found on Europa !
• Know of any PODs or POD discussions ? Feel free to add them.

• Greener world
• Tropical polar regions, polar tropics
• Challenge: Keep the Sahara green
• Surviving lepidodendron trees
• A temperate deciduous monster - too big ?
• Know of any PODs or POD discussions ? Feel free to add them.

• WI: Flies and other pests disappear ?
• Rocky Mountain Locust doesn't go extinct
• Tsetse Fly dies out
• Know of any PODs or POD discussions ? Feel free to add them.

• WI the Placodermi didn't go extinct and form the majority in the oceans
• Know of any PODs or POD discussions ? Feel free to add them.

• WI no Permian extinction ?
• WI: A different Permian extinction
• No Triassic-Jurassic mass extinction event: No dinosaur dominance ?
• If dinosaurs hadn't gone extinct ? (1)
• If dinosaurs hadn't gone extinct ? (2)
• Plausibility check: Dinosaurs surviving in the New World
• Velociraptors survive and fill the role of domesticated dogs
• Challenge: Troodons evolving sapience and inhabiting Earth in human times
• WI a "lost world" was found in central Africa ?
• Kerguelen Plateau as a "lost world" continent in the Southern Indian Ocean ?
• Know of any PODs or POD discussions ? Feel free to add them.

• WI: Terror Bird doesn't go extinct
• A bird species evolving into a horse-like animal
• WI: Late survival of the dodo in India
• Save the Great Auk
• Save the Carolina Parakeet !
• Save the ivory-billed woodpecker !
• Know of any PODs or POD discussions ? Feel free to add them.

• Mammals go extinct
• Discussion on different evolution or possible domestication of North American megafauna
• Discussion on the possible survival of some species of extinct megafauna
• If there were no horses (1)
• If there were no horses (2)
• WI: Horses go extinct during the Middle Miocene Disruption
• Horses become extinct
• WI all horses were as small as ponies ?
• All horses die in 1200 AD
• Horses surviving in America (1)
• Horses surviving in America (2)
• Horses surviving in America (3)
• Horses surviving in America (4)
• Horses surviving in America (5)
• Horses or camels surviving in America
• Camels in Europe ?
• Snow camels
• Giant camels survive in the Middle East
• Challenge: Save the aurochs
• Australian sabre tooth cat survives
• Australian marsupials that could have evolved into domesticable horse-like animals ?
• WI: The human race never came into existence and some other intelligent mammal did
• If not from primates, then from what other line ?
• Elephant civilization ?
• Challenge: Make wolves and bears survive as domestic wild species on the British Isles
• Challenge: Prevent the extinction of the jaguar in the US
• Dire wolves, sabertooths and mammoths in the Americas instead of native men
• Keep lions in the Americas
• Leopards in the Americas
• Introducing cheetahs to the Americas
• WI: Hyenas in the New World
• Know of any PODs or POD discussions ? Feel free to add them.

• A Bad Day Off East Africa, Around 3 Million Yrs Ago - A short scenario and discussion by DaleCoz.
• Human evolution on an Earth orbiting a red dwarf star
• If Homo sapiens were not the only sentient hominids ?
• WI: Big foot was real/well-documented ?
• Surviving Neanderthals
• Challenge: Neanderthals survive, humans go extinct
• Homo floriensis surviving (1)
• Homo floriensis surviving (2)
• Descendants of homo floriensis inhabiting the New World instead of modern humans
• Humanity goes extinct
• How long until it will be difficult to reconstruct what humans even looked like ?
• WI more of our genus survives ?
• Contact with other species of humans
• WI humans had the tapetum lucidum, allowing for greater natural night vision ?
• WI: Fatherhood doesn't evolve with humans ?
• WI skin color had different genetic coding ?
• Plausibility check: More diverse eye colours in humans ?
• Plausibility check: Humanoids with wings ?
• WI: All humans must eat meat
• WI: All humans prone to Celiac Disease
• WI the situation from Crighton's novel "Eaters of the Dead" was real ?
• Human running speed multiplies by three
• Greater Amerindian immunity to Old World diseases ?
• How would the world really react to "mutant powers" ?
• WI: Human average lifespan was 450 years
• A virus that turns humans into hobbits
• WI Neanderthals revived in the future ?
• Know of any PODs or POD discussions ? Feel free to add them.

Points of Divergence : Agriculture

Points of Divergence : Natural Disasters

Points of Divergence : Biological Sciences

Evolutionary Timelines

Useful Resources on Biology and Ecology

Exotic PODs Main Directory

Points of Divergence Main Directory