Triorchidism in a Hummingbird

被引：6
|
作者：
Witt, Christopher C. [1 ,2 ]
Bautista, Emil [3 ]
机构：
[1] Univ New Mexico, Museum SW Biol, Albuquerque, NM 87131 USA
[2] Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA
[3] Ctr Ornitol & Biodiversidad CORBIDI, Lima, Peru
来源：
WILSON JOURNAL OF ORNITHOLOGY | 2011年 / 123卷 / 03期
关键词：
SECONDARY SEXUAL CHARACTERS; TESTICULAR ASYMMETRY; POLYORCHIDISM; TESTES;
D O I：
10.1676/10-180.1
中图分类号：
Q95 [动物学];
学科分类号：
071002 ;
摘要：
We report a Great-billed Hermit (Phaethornis malaris) with three testes, a condition known as triorchidism. This is the first case to our knowledge of triorchidism in Neoaves, the clade that contains similar to 95% of avian species diversity. Triorchidism is inferred to be an exceptionally rare congenital abnormality in wild birds with developmental cause and evolutionary implications that are distinct from testicular asymmetry. Received 16 November 2010. Accepted 21 March 2011.
引用
收藏
页码：632 / 635
页数：4
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