Marks, Jeff, Montana Bird Advocacy, United States

• Ornitología Neotropical Vol. 34 No. 1 (2023) - Short Communications
  SECONDARY NECTAR ROBBING BY A VOLCANO HUMMINGBIRD (SELASPHORUS FLAMMULA)
  Abstract  PDF
• Ornitología Neotropical Vol. 34 No. 2 (2023) - Short Communications
  FIRST REPORT OF NECTAR ROBBING BY SWORD-BILLED HUMMINGBIRDS ENSIFERA ENSIFERA
  Abstract  PDF