Black-legged kittiwake (Rissa tridactyla) Feeding Partner on the nest. UK Black-legged kittiwake (Rissa tridactyla) Feeding Partner on the nest. An established breeding pair make certain that one of the pair remains on nest duty to guard fom Predators. So returning to feed a partner is common, or to relieve them to go fishing or foraging for themselves. Newly paired Kittiwakes are not so organised and tend to loose their young to predation.
