Mate guarding in a Caribbean village |
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| Institution: | 1. Coordinación Lic. en Medicina Veterinaria y Zootecnia, Universidad de Guadalajara, Centro Universitario del Sur, Enrique Arreola 883, Ciudad Guzmán, CP 4900 Guadalajara, Jalisco, Mexico;2. Instituto de Neurociencias, Universidad de Guadalajara, Francisco de Quevedo 180, Col. Arcos Vallarta, CP 44130 Guadalajara, Jalisco, Mexico;3. Departamento de Biología de la Reproducción, Universidad Autónoma Metropolitana, Iztapalapa, P.O. Box 55 535, CP 09340 Ciudad de México, Mexico;4. Unidad Académica de Medicina Humana y Ciencias de la Salud, Universidad Autónoma de Zacatecasa, Ejido la Escondid, CP 98160 Zacatecas, Mexico;5. Laboratorio de Biología de la Reproducción, Instituto Nacional de Pediatría, CP 04530 Ciudad de México, Mexico;1. Department of Soil Science, Ramin Agriculture and Natural Resources university of Khuzestan, Ahvaz, Iran;2. Department of Soil Science, Isfahan University of Technology, Isfahan, Iran;3. Department of Agricultural Machine and Mechanization Engineering, Ramin Agriculture and Natural Resources university of Khuzestan, Ahvaz, Iran |
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| Abstract: | Behavioral observation, economic, and genealogical data collected in a rural Trinidadian village indicate: (1) males courting the same females have higher rates of agonistic interactions (e.g., arguing, fighting) with each other than they do with other males; (2) females courting the same males do not have higher rates of agonistic interactions with each other than they do with other females; (3) exclusive (monogamous) mating relationships have lower rates of agonistic interactions than nonexclusive (polygamous) mating relationships; (4) coresident mates interact more frequently when the female is fecund; (5) coresident mates have higher rates of agonistic interactions when the female is fecund; (6) males with fecund mates have higher rates of agonistic interactions with other unrelated males than do males with infecund mates; (7) fecund females do not have higher rates of agonistic interactions with other females than do infecund females; and (8) females do not guard prosperous males (those from households with 6 or more acres of land) more intensely than poorer males. These results suggest that mate guarding is an important aspect of reproductive competition, and that there are significant male/female differences in mate guarding strategies in this human population. |
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