[ExI] red rabbit

[BillK]

On Mon, 8 Mar 2021 at 23:55, Adrian Tymes via extropy-chat
<extropy-chat at lists.extropy.org> wrote:
>
> Can some rabbits, or some creatures the rabbit interacts with, see in ultraviolet?  If so, this marking would be visible to them.  The utility depends on who exactly sees it: warning off predators, welcoming fellow rabbits to breed with (perhaps denoting it's this specific breed of rabbit so as to encourage breeding with that rabbit instead of others), and so on.
>

Yes. the linked Science paper explains in more detail.
<https://www.nature.com/articles/s41598-021-83588-0>
Many mammals show biofluoresence, mostly nocturnal, like these
springhares, with eyes that can see UV.


BillK