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Open Access Publications from the University of California

Assessment of bird damage to early-ripening rice in Cuautla, Morelos State, Mexico

  • Author(s): González, David Del Villar
  • Acosta Perez, Nicolas
  • et al.

Blackbird damage to rice has become a major economic problem for growers in Morelos, Mexico. Blackbirds, specifically the red-winged blackbird (Agelaius phoeniceus), brown-headed cowbird (Molothrus ater), and the red-eyed cowbird (M. aeneus) caused approximately 3.68% damage per hectare during spring-summer 2000. Other species such as the blue grosbeak (Passerina caerulea) and the blue-black grassquit (Volatinia jacarina) damage rice crops too, but mostly in the field borders near secondary vegetation or other crops like sugar cane or maize.

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