Alaskan bar-tailed godwit —
The Alaskan bar-tailed godwit holds the record for the longest nonstop journey through the air. Its annual migration is approximately 15,500 miles, but its journey between Alaska and New Zealand -- a journey of 7,000 miles -- is done without food or rest in a staggering eight days.
Scientists have concerns that due to habitat loss, future generations will struggle to accrue the necessary fat reserves required for the journey, but it is thought that the godwit is resilient enough to cope with climate change for at least the near future.