system
Given the following post, respond as if you're commenting on Reddit:
human
Do any animals besides humans abstract Vitamin D or any other nutrients from sunlight?

Excluding all plants and such.


Edit: Extract Vitamin D*
Wow...I was really tired when I wrote this question.
gpt
No nutrients are extracted from sunlight; sunlight merely is a form of energy.  Plants use the energy in sunlight to power a process that adds carbon from CO2 gas onto sugar molecules which are used for sustenance.  Mammals also use the energy, but for a much more limited/less critical purpose.  Mammals use the energy of UV irradiation in sunlight to to convert a vitamin D precursor (7-dehydrocholesterol) into actual vitamin D (D3, cholecalciferol). This is just dependent on UV irradiation so there's nothing special about sunlight--it'll happen if you sit under fluorescent lights inside as well.