Yes they really are that happy usually
this post was submitted on 14 Jan 2024
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aww
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Thanks for the detailed reply! So if I may make use of your knowledge to ask a follow up question:
What is it about American Possums that let them compete with the other placental mammals?
Oh, this is great. There may have been more results since I was working on a field project studying them, but to my knowledge we have absolutely no idea! They are not particularly well adapted to the cold, but their range keeps extending northward. This well predates the rapid climate change caused by humans, so we cannot use that as a reason. They are a bit of a mystery.
My guess would be that they are occupying a niche where limited brain and limb development (problems all marsupials face) are not limiting factors on success. Maybe their lack of a close genetic relation when surrounded by placental mammals gives them some pathogen resistance when scavenging? Those are just mildly educated guesses. When I was working with them we had no idea, and our field results were not at all enlightening.
They're too uglycute to die.
Thanks for the answers and interpretation! Really cool info!