On Sunday, August 28, 2022 at 5:22:42 PM UTC-4, DD'eDeN aka note/nickname/alas_my_loves wrote:
Arboreal perching x locking tendons x reduced tailbone x arboreal sleep/bowl nests
Kunpengopterus antipollicatus was the first animal we know of to have opposable thumbs.
https://www.sci.news/paleontology/kunpengopterus-antipollicatus-09548.html
Advantage: locomoting & perching & foraging (later nesting) on diagonal fine branches, tensionally, unlike others on large horizontal branches, compressionally. Same in birds and hominoids. All lost long/strong tails as a result.
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