Why do seals have black eyes?

I think it would be more appropriate for seals to ask “Why to humans have white on their eyes?” Many animals including humans use visual cues as a sort of threat assessment. We can tell if someone is looking at us even out of the corner of our eyes. read more

” Many animals including humans use visual cues as a sort of threat assessment. We can tell if someone is looking at us even out of the corner of our eyes. read more

The harp seal has black eyes because it is what is advantageous to survival to the animal. This animal has developed and kept black eyes since evolving into it's current form. read more

The Baikal seal is one of the smallest true seals. Adults typically grow to 1.1–1.4 m (3 ft 7 in–4 ft 7 in) in length with a body mass from 63 to 70 kg (139 to 154 lb). The maximum reported size is 1.65 m (5 ft 5 in) in length and 130 kg (290 lb) in weight. read more