UNUSUAL TAIL MEASUREMENTS OF BUBO VIRGINIANUS FROM TEXAS

Daniel M. Brooks; Keith A. Arnold

doi:10.1894/0038-4909(2005)050[0498:UTMOBV]2.0.CO;2

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Daniel M. Brooks,^1,2 Keith A. Arnold³

¹Houston Museum of Natural Science, Department of Vertebrate Zoology, One Herman Circle Drive, Houston, TX 77030-1799
²Correspondent: dbrooks@hmns.org
³Texas Cooperative Wildlife Collections, Department of Wildlife and Fisheries Sciences, Texas A&M University, 2258 TAMU, College Station, TX 77843-2258

Abstract

We performed Exploratory Data Analysis on data sets assembled to determine subspecies limits of great horned owls (Bubo virginianus) in Texas; the results revealed unusual patterns of tail measurements. In the subspecies B. v. pallescens, tail lengths of males (206.0 mm) were longer than those of females (202.5 mm). Additionally, tail length was longer in intergrades (males = 209.4, females = 213.5) than for either subspecies (B. v. virginianus males = 206.2, females = 209.0; B. v. pallescens males = 206.0, females = 202.5).

Citation Download Citation

Daniel M. Brooks and Keith A. Arnold "UNUSUAL TAIL MEASUREMENTS OF BUBO VIRGINIANUS FROM TEXAS," The Southwestern Naturalist 50(4), 498-501, (1 December 2005). https://doi.org/10.1894/0038-4909(2005)050[0498:UTMOBV]2.0.CO;2

Accepted: 29 March 2005; Published: 1 December 2005

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