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Breeding biology of the Crested Caracara in the cape region of Baja california, mexico

机译:墨西哥下加利福尼亚州海角地区凤头Car的繁殖生物学

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摘要

The breeding biology of the Crested Caracara (Caracara plancus) was studied during the 1991 breeding seasons in Baja California Sur, Mexico. Sixteen nests were monitored in 1990 and six in 1991. Th breeding season extended from February- August. Caracaras were more abundant during the post-fledging period (October-Novem- Ber) when up to 1.2 birds/km were registered in road surveys. The carbon cactus (Pachycer- Eus pringlei) was the most used structure for nesting (76/100 of nests), although other tree-like Structures were also used.
机译:1991年在墨西哥下加利福尼亚州苏尔的繁殖季节研究了凤头长尾ac(Caracara plancus)的繁殖生物学。 1990年监测了16个巢穴,1991年监测了6个巢穴。繁殖期从2月至8月延长。在后雏期(十月-十一月-十一月),卡拉卡拉斯的捕捞活动更为丰富,当时道路调查中记录的最高鸟类为1.2鸟/公里。碳仙人掌(Pachycer-Eus pringlei)是最常用于筑巢的结构(巢的76/100),尽管也使用了其他树状结构。

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