Great Blue Heron Ardea herodias

Ross G. Vennesland and Robert W. Butler
Version: 1.0 — Published March 4, 2020
Text last updated April 28, 2011

Tables and Appendices

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Table 1

Length (mm) of exposed culmen and tarsus, and body mass (kg) of Great Blue Herons. Standard deviation and sample size appear in parantheses. Data from British Columbia: Simpson (1984); Nova Scotia and eastern North America: Quinney & Smith (1979); Oregon: Bayer (1981c).

LocationExposed culmen (mm)Tarsus (mm)Body Mass (kg)
British Columbia
Adult Male137.0 (4.4, 24)165.9 (6.7, 24)2.48 (0.29, 24)
Adult Female123.9 (4.7, 29)152.0 (7.0, 29)2.11 (0.34, 29)
Nova Scotia
Adult Male141.2 (8.6, 9)178.7 (11.6, 16)No data
Adult Female136.5 (5.3, 13)170.8 (12.2, 15)No data
Eastern Canada & U.S.
Adult Males and FemalesNo dataNo data2.23 (0.76, 37)
AdultNo dataNo data2.09 (0, 1)
Juvenile (July)No dataNo data1.76 (0.29, 4)
Juvenile (Aug–Dec)No dataNo data1.98 (0.50, 4)
Yearling (Jun–Jan)No dataNo data2.22 (0.40, 3)

Recommended Citation

Vennesland, R. G. and R. W. Butler (2020). Great Blue Heron (Ardea herodias), version 1.0. In Birds of the World (A. F. Poole, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.grbher3.01