I wish to record my deepest thanks to the following for help with data on my site:
- Marek Kuziemko
- Edward Dickinson
- Alan Peterson
- Jan B. Kaiser
- Torgny Fridlund
I also wish to thank the many photographers who have given permission for me to include their bird photos on my website:
- Arthur Grosset
- Nick Athanas
- Bjorn Johansson
- James Eaton
- Glen Tepke
- Paul Meek
- Shahril Dzulkifli
- Craig Robson
- Nick Borrow
- Suppalak Klabdee
- John Corder
- Trevor Hardaker
- Tomasz Tańczuk
- William Price
- Hans & Judy Beste
- Leonardo Patrial
- Santiago Imberti
- Avespampa
- Jack Jeffrey
- Johann & Liz Grobbelaar
- David and Miriam Bauman
- Jennifer Rycenga
- John Caddick
- Martin Meyers
- Dominck Mosur
- Adam Wilson
- Lisa Rest
- Robert Mortensen
- Katrina Knight
- Bert Snijder
- Daniel Bajasta
- Arpit Deomurari
- David Ascanio
- Benjamin Jayin Jomi
- Jon Van der Graaff
- Candy MacManiman
- Callan Cohen
- Mary Beth Stowe
- Shailesh Kumar Patel
- Greg Oakley
- Glenda Larke Noramly
- Stein Nilson
- Sharad Sridhar
- Anthony Whitehead
- Kees Bakker
- J.M.Garg
- Magnus Hellstrom
- Adesh Shivkar
- Rajesh Shah
- Antony Whitehead
- Ross Silcock
- Simon Clayton
- John Tongue
- Vivek Tiwari
- John Wright
- JJ Harrison
- Peter Head
- Anthea Fleming
- Gary Davidson
- Anthea Fleming
- Marc Languy