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Welcome to OrniStats!

The new, cutting-edge, one-stop platform for analysis of rare bird vagrancy in Britain, Ireland and the Isle of Man.

Species Accounts

Read our in-depth examinations of the patterns of occurrence of 350+ vagrant birds in the British Isles.


Read about our stats-based insights into current issues in bird vagrancy, including “the big questions”, case studies, and the latest research.


Delve into the derivation and the process behind the generation of our analyses.

The Project

Find out more about the project, its aims and future features.

Get In Touch

Whether you’ve found an error, have a suggestion, or just want to ask a question, please use the link below to have a chat with us!