BIOGEOGRAPHY

Birds by Continent

Each continent has its own bird story, shaped by climate, geography and millions of years of evolution. South America alone holds about a third of the world’s species.

ZOOGEOGRAPHIC REALMS

The world’s bird regions

Ornithologists often divide the world into realms rather than continents, because birds are shaped by shared evolutionary history more than by political borders.

Palearctic

Europe, North Africa and northern Asia. Home of many long-distance migrants that winter in Africa and South Asia — including Pakistan.

Indomalayan

South and Southeast Asia. Hornbills, pittas, bulbuls and pheasants. Most of Pakistan lies at the meeting point of the Palearctic and Indomalayan realms.

Afrotropical

Sub-Saharan Africa and Madagascar: turacos, mousebirds, shoebill, secretarybird and the mesites.

Neotropical

Central and South America — the richest bird realm on Earth, with hummingbirds, toucans, tanagers and cotingas.

Nearctic

North America: wood warblers, turkeys and the bald eagle, linked to the tropics by huge migrations.

Australasian & Oceanic

Australia, New Guinea, New Zealand and the Pacific: lyrebirds, birds-of-paradise, kiwis and kakapo.