Wetland Salinity and Salt Gland Size in the Redhead Aythya americana

Redhead (Aythya americana) Science Article 4

abstract

Numerous investigators have shown experimentally that nasal or supraorbital salt glands exist in nonmarine waterfowl and have the ability to enlarge or atrophyi n responset o changesin the salt content of the drinking water (Scothome 1959, Ellis et al. 1963, Cooch 1964, Benson and Phillips 1964, Schmidt-Nielsen and Kim 1964

STEPHEN E. CORNELIUS, Auk, Vol. 99

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