Sæler & Søløver

Hvordan ved søelefanter egentligt hvornår det er på tide at tage hjem

Every year, many marine animals migrate between foraging areas and breeding sites, often managing their movements with precision.

For pregnant female elephant seals, they travel more than 10,000 kilometres across the Eastern North Pacific Ocean annually, before returning to their breeding beaches where they will give birth within five days of their arrival.

How do they achieve such precise timing, without any GPS or navigation software?