Optimal grit : investigating grit acquisition and site use by black brant

• Main Author: Bjerre, Emily R.
• Other Authors: Black, Jeffrey M.
• Format: Master Thesis
• Language: English
• Published: California State Polytechnic University, Humboldt 2007
• Subjects: Staging; Humboldt Bay; Humboldt State University > Theses > Wildlife; Grit; Brant; California; Arctic; Branta bernicla
• Online Access: http://hdl.handle.net/2148/192

Arctic geese arriving at spring stopover areas are under strict time constraints to build-up endogenous fat and nutrient stores before migrating to their northern breeding grounds. Gizzard grit facilitates the mechanical breakdown of ingested food plants, aiding efficient digestion and potentially i...