Thumbnails: M – O (click on photo to enlarge)

  • Magnificent Frigatebird
  • Magnificent Hummingbird
  • Magnificent Hummingbird (female)
  • Magnolia Warbler
  • Magpie
  • Magpie Tanager
  • Mallards
  • Mangrove Cuckoo
  • Mangrove Swallow
  • Mangrove Vireo
  • Mangrove Warbler
  • Many-banded Aracari
  • Many-spotted Hummingbird
  • Many-striped Canastero
  • Marbled Godwit
  • Maroon-tailed Parakeet
  • Marsh Wren
  • Masked Flowerpiercer
  • Masked Mountain-Tanager
  • Masked Tityra
  • Masked Trogon
  • Masked Trogon (female)
  • Masked Water-Tyrant
  • Melodious Blackbird
  • Merlin
  • Montane Foliage-gleaner
  • Montane Woodcreeper
  • Montezuma Oropendola
  • Moss-backed Tanager
  • Mountain Bluebird
  • Mountain Cacique
  • Mountain Elaenia
  • Mountain Thrush
  • Mountain Wren
  • Mourning Dove
  • Moustached Antpitta
  • Mute Swan
  • Neotropic Cormorant
  • Neotropic Cormorant (juvenile)
  • Nicaraguan Seed-Finch
  • Nicaraguan Seed-Finch (female)
  • Northern Barred-Woodcreeper
  • Northern Cardinal
  • Northern Cardinal (female)
  • Northern Flicker
  • Northern Gannet
  • Northern Harrier
  • Northern Hawk Owl
  • Northern Jacana
  • Northern Jacana (juvenlle)
  • Northern Mockingbird
  • Northern Pintail
  • Northern Rough-winged Swallow
  • Northern Saw-whet Owl
  • Northern Shovelers
  • Northern Waterthrush
  • Nutmeg Manakin
  • Ochre-breasted Antpitta
  • Oilbird
  • Olivaceous Piculet
  • Olive-backed Euphonia
  • Olive-backed Woodcreeper
  • Olive-sided Flycatcher
  • Olive-striped Flycatcher
  • Olive-throated Parakeet
  • Orange-bellied Euphonia
  • Orange-bellied Euphonia (female)
  • Orange-billed Sparrow
  • Orange-breasted Fruiteater
  • Orange-chinned Parakeet
  • Orange-crowned Warbler
  • Orange-fronted Barbet
  • Orange-fronted Barbet (female)
  • Orange-fronted Parakeet
  • Orchard Oriole
  • Orchard Oriole (female)
  • Orchard Oriole (juvenile)
  • Ornate Flycatcher
  • Ospreys
  • Ovenbird