An estimated 1800 bird species migrate
Undertaking incredible journeys each year
The longest non-stop...
The Godwit
Flies non-stop for a week...
From New Zealand...
To the Yellow Sea
Then flies non-stop for another week!
To breeding grounds in Alaska...
A journey of 11,000km
The highest...
The Bar-Headed Goose
They migrate …
Please log in to view and download the complete transcript.