sunshine

hiya I have one lilac pig, a pink eyed white, a torteshell and a ginger and white. One has pink ears, one has a ginger ear and a pink ear, another has a pink ear and a black ear and the lilac has grey. I was wondering do they need to have sun cream rubbed on their ears as they're out in the day...

My guinea pigs' hutch is out of the sun, however there's a patch of sun that hits just in front of the hutch, and when they're in the run my black boar, Nox, loves to sunbathe. (Water isn't an issue, they've got a bottle upstairs and downstairs, and they eat plenty of veg, cucumber and celery...