Aline Giroux, Denis Valle, Eliezer Gurarie, Marcus Vinícius Vieira, James D. Forester, Luca Börger, Raíssa Sepulvida, Nicole Barbour, Érika Garcez da Rocha, Júlia Emi de Faria Oshima, Fernanda Cavalcanti de Azevedo, Frederico Gemesio Lemos, Bernardo Brandão Niebuhr, Rogério de Paula, Caio F. M. Lima, Guilherme Mourão, Nina Attias, Marina Ochoa Favarini, Felipe Bortolotto Peters, Arnaud Léonard Jean Desbiez, María Luisa S. P. Jorge, Milton Cézar Ribeiro, Alexine Keuroghlian, Ísis Zanini das Candeias, Carlos André Zucco, Walfrido Moraes Tomás, Sandra M. C. Cavalcanti, Ermeson A. Vilalba, Vanessa V. Alberico, Marcos Adriano Tortato, Ricardo Luiz Pires Boulhosa, Flávia Fiori, Pedro Henrique de Faria Peres, Francisco Grotta‐Neto, Ubiratan Piovezan, José Maurício Barbanti Duarte, Luiz Gustavo Rodrigues Oliveira‐Santos
Understanding variation in home range size (HR) provides important insights into the underlying ecological processes driving space use. However, it remains unclear whether the interspecific allometric scaling of mammals' HR can also be consistently observed within species and for both sexes. To address this knowledge gap, we GPS-tracked 349 resident individuals across Brazil, encompassing 18 mammal species. We estimated individuals' HR and modelled intraspecific variation in HR against body mass (BM) and sex. While males showed a positive allometric scaling similar to interspecific findings reported in the literature (exponent = 1.23), females' BM had no statistically discernible relationship with HR. We suggest that males have greater energetic and evolutionary incentives to expand their HR with increasing BM, and more physical capacity to do so. Traditional studies on HR scaling that disregard individual sex may, in reality, reflect an average of two distinct patterns, while failing to accurately represent either one.