Almost a third of Laysan albatross couples are female-female pairs that build nests and rear young together. 黑背信天翁对偶中几乎三分之一是雌雌配对，她们一起筑巢，一起抚养后代。
Bailey and Zuk are also researching the Laysan albatross, a species in which females form same-sex pairs and rear young together. 贝利和祖克也在一直研究黑背信天翁，这种动物物种的雌性个体会建立同性配对，并一同抚养后代。
