Josep del Hoyo

All the Birds of the World

HBW and BirdLife International Illustrated Checklist of the Birds of the WorldVolume 2: Passerines

HBW and BirdLife International Illustrated Checklist of the Birds of the WorldVolume 1: Non-passerines

Handbook of the Birds of the WorldSpecial Volume: New Species and Global Index

Handbook of the Birds of the WorldVolume 16: Tanagers to New World Blackbirds

Handbook of the Birds of the WorldVolume 15: Weavers to New World Warblers

Handbook of the Birds of the WorldVolume 14: Bush-shrikes to Old World Sparrows

Handbook of the Birds of the WorldVolume 13: Penduline-tits to Shrikes

Handbook of the Birds of the WorldVolume 12: Picathartes to Tits and Chickadees

Handbook of the Birds of the WorldVolume 11: Old World Flycatchers to Old World Warblers

Handbook of the Birds of the WorldVolume 10: Cuckoo-shrikes to Thrushes

Handbook of the Birds of the WorldVolume 9: Cotingas to Pipits and Wagtails

Curassows and Related Birds

Handbook of the Birds of the WorldVolume 8: Broadbills to Tapaculos

Handbook of the Birds of the WorldVolume 7: Jacamars to Woodpeckers

Handbook of the Birds of the WorldVolume 6: Mousebirds to Hornbills

Handbook of the Birds of the WorldVolume 5: Barn-owls to Hummingbirds

Handbook of the Birds of the WorldVolume 4: Sandgrouse to Cuckoos

Handbook of the Birds of the WorldVolume 3: Hoatzin to Auks

Handbook of the Birds of the WorldVolume 2: New World Vultures to Guineafowl

Handbook of the Birds of the WorldVolume 1: Ostrich to Ducks

Alimentación Sana

Where to Watch Birds in Catalonia

Els Ocells del Parc Natural dels Aiguamolls de l’Empordà

On observar ocells a Catalunya