[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: Marsupials see colors
----- Original Message ----
From: "Mickey Rowe;893-2446" <firstname.lastname@example.org>
Sent: Monday, 27 March, 2006 6:58:21 PM
Subject: Re: Marsupials see colors
On UV vision...
> Many lineages simply retained it. Others (e.g.,
>birds) appear to have lost it as their sensitivities shifted toward
>longer wavelengths and some of those (again still talking birds)
>re-acquired it as their sensitivities shifted back to shorter
I thought most if not all birds possessed UV vision:
Many seeds reflect in UV too.