Bakken, G. S., Reynolds, P. S., Kenow, K. P., Korschgen, C. E., and Boysen, A. F., 1999, Standardization and calibration of heated mounts illustrated with day-old mallard ducklings: Physiological and Biochemical Zoology, v. 72, no. 4, p. 502-506. Abstract Keywords Operative temperature, taxidermic mounts, ecological energetics, thermal conductance, energy-expenditure tools, dependence, appraisal, animals, birds