Break-ups are extra widespread in hen species with longer migrations, in all probability as a result of companions return dwelling at completely different occasions and don’t look ahead to one another to breed
Life
7 November 2022
The 30,000-kilometre migratory spherical journeys of Arctic terns can play havoc with relationships Philip Pilosian/Shutterstock
Birds that migrate lengthy distances are usually extra doubtless than others to interrupt up with their long-term associate, in accordance with an evaluation of 232 species.
About 90 per cent of hen species are socially monogamous, that means they type {couples} that primarily breed with one another and lift offspring collectively. A few of these {couples} keep collectively for all times, whereas others find yourself getting “divorced” and moving onto new partners.
To determine components that result in hen …
