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Many Cenozoic ratite lineages in South America
Topic Started: Dec 29 2016, 01:56 PM (465 Views)
heliosphoros
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https://www.researchgate.net/publication/304909253_Unexpected_diversity_of_ratites_Aves_Palaeognathae_in_the_early_Cenozoic_of_South_America_palaeobiogeographical_implications

Besides early rheas and Diogenornis, there's also several unrelated taxa that may belong to other groups.

Same with Europe; not only the already uncertainly placed Remiornis, Palaeotis, but various other fossils across the Eocene to Miocene and even "aepyornithid-like" taxa.
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the dark phoenix
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King of wonderlandia

Wow...

Flightless birds apparently can do really well in areas with large mammals. How could there be so many on continents otherwise?

Just makes me want to do my plans even more.(A topic at ZTV would explain. Putting a bunch of flightless species together)
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heliosphoros
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Yes, I've been saying that for a while.

Besides ratites there's also obviously gastornithids, dromornithids and phorushracids as well as many obscure groups like bathornithids and eogruiids.
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stargatedalek
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I'm not slow! That's just my moe!

the dark phoenix
Dec 30 2016, 04:17 AM
Flightless birds apparently can do really well in areas with large mammals. How could there be so many on continents otherwise?
Because all large animals are very vulnerable to change. Everyone goes on about how "flightless birds always go extinct so easily" but forgets that Phorusrhacidae actually managed to fight past hordes of invasive species and colonize entirely new climates before finally succumbing. The large mammals of South America fared far poorer.

And most of the other flightless birds didn't go extinct until humans killed them or introduced invasives that did.
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