Based on my survey of major dictionaries, birding authorities and birding websites I found that although there is no definitively correct spelling, the one word spelling ‘birdwatching’ is without doubt the most commonly used. Approximately 72% of authorities surveyed use the ‘birdwatching’ spelling with only 17% using ‘bird-watching’ and a meagre 11% using ‘bird watching.
Survey of various authorities to determine the correct spelling
See also: Is Birdwatching A Sport
Major Birding Authorities
Influential Birding Websites
Other Major Authorities
The final survey involved four major non-birding related authorities that have articles written on the topic of birding in general. The four organisations we included in the survey were Wikipedia, BBC, CNN and National Geographic, all of which used the birdwatching spelling.
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