Browsing San Diego Zoo Wildlife Alliance Research by Author "Swenson, Jon E."
Mating strategiesSteyaert, Sam M.J.G.; Zedrosser, Andreas; Swaisgood, Ronald R.; Filipczykova, Eva; Crudge, Brian; Dutta, Trishna; Sharma, Sandeep; Ratnayeke, Shyamala; Koike, Shinsuke; Leclerc, Martin; et al. (Cambridge University PressCambridge, 2020)The mating system and mating strategies of a species refer to the behavioral strategies used to obtain reproductive partners and ensure reproductive success. Common determining factors of mating systems and strategies are: the manner of mate acquisition, the number of mates obtained by an individual, as well as the absence or presence and duration of parental care….
Rub-tree selection by Andean bears in the Peruvian dry forestKleiner, Jack D.; Van Horn, Russell C.; Swenson, Jon E.; Steyaert, Sam M.J.G. (2018)To advance our knowledge on the rubbing behavior of Andean bears (Tremarctos ornatus), we assessed characteristics of their rub-trees in the Peruvian tropical dry forest, where water is a rare and critical resource. We registered characteristics of rubbed and unrubbed trees and shrubs along bear trails in an area of approximately 100 km2 surrounding 7 waterholes in the western Andes foothills of Peru during austral summer 2014–2015....