By the time a sea otter pup is weaned, its mother may be so depleted physiologically that she is unable to survive the stress of a minor wound or infection. To understand why this happens, biologists quantified the energy demands of a growing sea otter pup, revealing just how much it costs a sea otter mom to raise her pup.

Source: Energy demands of raising a pup push sea otter moms to the limit


David Cottle

UBB Owner & Administrator