When no animal prey is available, Sanderlings eat plant material, including saxifrage buds and shoots, roots, grass seeds, algae, and mosses.Back to Top NestingNesting FactsClutch Size3???4 eggsNumber of Broods1 broodsEgg Length1.3???1.5 in 3.3???3.8 cmEgg Width0.9???1 in 2.4???2.6 cmIncubation Period23???27 daysNestling Period1 daysEgg DescriptionDull green to olive-brown or greenish-blue), marke