Revista de Biología Tropical ISSN Impreso: 0034-7744 ISSN electrónico: 2215-2075

OAI: https://revistas.ucr.ac.cr/index.php/rbt/oai
Comparisons between nine-banded armadillo (<i>Dasypus novemcinctus</i>) populations in Brazil and the United States
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Loughry, W. J., & McDonough, C. M. (1998). Comparisons between nine-banded armadillo (<i>Dasypus novemcinctus</i>) populations in Brazil and the United States. Revista De Biología Tropical, 46(4), 1173–1183. https://doi.org/10.15517/rbt.v46i4.20740

Abstract

We compared characteristics of a population of nine-banded armadillos (Dasypus novemcinctus) studied in the soulhem Uniled States with a population found in the Atlanlic coastal rainforest of Brazil. Adult armadillos in Brazil weighed less than Ihose in Ihe U.S., but when weight was accounted for, did not differ in: other measures of body size. However, juveniles in Ihe U.S. were proportionately bigger!han Ihose in Brazil. Armadillos in Brazil were less abundant (numbers sighted per h of observation) and were active laler al night .!han Ihose in the U.S. Adult sex-ratios were male-biased in bolh populations: Finally, there was no significant difference in Ihe incidence of litterrnate associations observed in Ihe two populations, but groups of juveniles (which included non-Iitterrnates) were observed more frequently in tbe U.S. Many of these differences may be due 10 the fact that armadillos are hunted extensively in Brazil but not in the United States.
https://doi.org/10.15517/rbt.v46i4.20740
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