Bence Mate / Keel billed toucan (Ramphastos sulfuratus) in aggressive encounter with Montezuma Oropendola (Psarocolius montezuma) in rain, Laguna del Lagarto, Santa Rita, Costa Rica. Front cover bookplate of the H...
01622401
David Pike / Yellow winged blackbird, (Agelasticus thilius) perched on plant, Bicentennial Park, Santiago, Chile.
01627345
Ingo Arndt / Long-tailed meadowlark (Sturnella loyca) perched on branch in snow, Torres del Paine National Park, Patagonia, Chile. August.
01629484
Heather Angel / Austral blackbird (Curaeus curaeus) with pollen on head after nectaring on Blue puya (Puya berteroniana). Parque Ingles, Chile. December.
01629483
Heather Angel / Austral blackbirds (Curaeus curaeus) and Austral thrush (Turdus falcklandii) nectaring on Blue puya (Puya berteroniana). Pollen transferred to birds heads during feeding. Parque Ingles, Chile. Decembe...
01629467
Heather Angel / Altamira oriole (Icterus gularis) nectaring on Quickstick / Mother of cocoa tree (Gliricidia sepium) flower. Chiapas, Mexico.
01627604
Lucas Bustamante / Russet-backed oropendola (Psarocolius angustifrons) building a nest. Tambopata National Reserve, Madre de Dios, Peru.
01628070
Jack Dykinga / Murmuration of Yellow-headed blackbirds (Xanthocephalus xanthocephalus) and Redwing blackbirds (Agelaius phoeniceus) before roosting. Whitewater Draw Wildlife Area, Arizona, USA, December.
01628067
Jack Dykinga / Yellow-headed blackbirds (Xanthocephalus xanthocephalus) roosting in cattails Whitewater Draw Wildlife Area, Arizona, USA, December.
01628066
Jack Dykinga / Yellow-headed blackbirds (Xanthocephalus xanthocephalus) roosting in cattails Whitewater Draw Wildlife Area, Arizona, USA, December.
01622321
Bernard Castelein / Yellow-rumped cacique (Cacicus cela), group of four perched, MadidiNP, Bolivia
01622320
Bernard Castelein / Yellow-rumped cacique (Cacicus cela), Madidi NP, Bolivia
