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Journal: Journal of Experimental Biology
J Exp Biol (2003) 206 (19): 3349–3359.
Published: 1 October 2003
... nitrogen balance energy balance food quality arthropod consumption hummingbird green-backed firecrown Sephanoides sephaniodes Chile Floral nectars exploited by hummingbirds are rich in water and carbohydrates, but contain only traces of amino acids, minerals and vitamins( Baker and Baker...