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10 May 2021 BLOOD-SQUIRT OCCURRENCE IN THE MEXICAN PLATEAU HORNED LIZARD (PHRYNOSOMA ORBICULARE)
Aldo Gómez-Benitez, Wade C. Sherbrooke, Gisela Granados-González, Gabriel Suárez-Varón, Ailed Pérez-Pérez, Ana Esthela López-Moreno, Oswaldo Hernández-Gallegos
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Abstract

Blood-squirting from ocular sinuses is a unique defensive behavior widespread in horned lizards. During an ecological study in the state of Mexico, Mexico, we captured 24 males and 23 females of Phrynosoma orbiculare, of which three males squirted blood during gentle handling. Two individuals were of juvenile size, suggesting, with data from large adults, that P. orbiculare defensive strategy may be employed throughout life.

Aldo Gómez-Benitez, Wade C. Sherbrooke, Gisela Granados-González, Gabriel Suárez-Varón, Ailed Pérez-Pérez, Ana Esthela López-Moreno, and Oswaldo Hernández-Gallegos "BLOOD-SQUIRT OCCURRENCE IN THE MEXICAN PLATEAU HORNED LIZARD (PHRYNOSOMA ORBICULARE)," The Southwestern Naturalist 65(1), 50-52, (10 May 2021). https://doi.org/10.1894/0038-4909-65.1.50
Received: 13 June 2020; Accepted: 21 December 2020; Published: 10 May 2021
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