Travelling far means absent fathers
The benefits of migration have a cost in parental care. A new study on shorebirds shows that long-haul migrations favour males who put little effort into raising their young.
Seasonal migration between the wintering and breeding grounds is very common in many species of birds.
But travelling back and forth takes time and energy and scientists know that males of migratory bird species, especially the ones that fly far, are less involved in parental care, leaving the tasks of raising the chicks to females.
‘Previous studies suggested a link between migration and parental care,’ says Gabriel GarcÃa-Peña, a PhD student at the University ...
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