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1 results

  • Predation of nesting Thick-billed Parrots Rhychopsitta pachyrhyncha by bobcats in northwestern Mexico

  • JAMES KENDAL SHEPPARD, JOSÉ IGNACIO GONZÁLEZ ROJAS, JAVIER CRUZ, LUZ FRANCELIA TORRES GONZÁLEZ, MIGUEL ÁNGEL CRUZ NIETO, SERGIO DAVID JIMÉNEZ LEZAMA, EDWIN ALFREDO JUAREZ, NADINE LAMBERSKI
  • Journal:
    Bird Conservation International / Volume 31 / Issue 4 / December 2021
    Published online by Cambridge University Press:
    04 November 2020, pp. 510-518
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  • We report on what appear to be increasing predation events on nesting Thick-billed Parrots Rhychopsitta pachyrhyncha. Thick-billed Parrots are classified as ‘Endangered’ and their seasonal breeding range is restricted to increasingly fragmented and degraded high elevation mixed conifer forest habitat within the Sierra Madre Occidental region of north-western Mexico. Predation of established breeding pairs has recently contributed to the ongoing decline of Thick-billed Parrot populations by removing mature birds with high reproductive value, which has associated consequences for future recruitment. We observed increasing predation events on nesting Thick-billed Parrots by bobcats Lynx rufus accompanied by kittens throughout the 2018–2019 breeding seasons, and we speculate that recent reductions in bobcat habitat have pushed them into new ranges where they are supplementing their diet with nontraditional prey items.