Automated Measurement of Meal Sizes and Feeding Frequency in Albatrosses

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Abstract
An artificial nest incorporating an automated weighting device, suitable for chick growth studies on some species of seabirds, is described. The operating weight range is 1-7 kg, with an accuracy of .+-. 15 g throughout; data can be recorded onto magnetic tape automatically and multiple nests may be operated simultaneously. Sample data from grey-headed albatrosses, [Diomedea chrysostoma] showing the recording of the timing, size and frequency of meals and the pattern of weight loss by chicks between meals, are presented.

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