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| Many Cenozoic ratite lineages in South America | |
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| Topic Started: Dec 29 2016, 01:56 PM (465 Views) | |
| heliosphoros | Dec 29 2016, 01:56 PM Post #1 |
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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 | Dec 30 2016, 04:17 AM Post #2 |
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King of wonderlandia
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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 | Dec 30 2016, 08:32 AM Post #3 |
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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 | Dec 30 2016, 11:51 AM Post #4 |
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I'm not slow! That's just my moe!
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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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