
1) Nature study
Found on
https://www.crosswordclues.com/clue/birdwatching

The observation of wild birds in their natural habitats as a hobby or recreatioSee Birding.
Found on
http://earthdesign.ca/dict.html

Birdwatching or birding is a form of wildlife observation in which the observation of birds as a recreational activity. It can be done with the naked eye, through a visual enhancement device like binoculars and telescopes, or by listening for bird sounds. Birdwatching often involves a significant auditory component, as many bird species are more e...
Found on
http://en.wikipedia.org/wiki/Birdwatching

The art and science of observing birds. It is done by amateurs and professionals alike. In fact there are many people who are birdwatchers who don't even know that they are birdwatchers. Beyond Birding is a good source that looks at the possibilities of bird-watching.
Found on
http://www.encyclo.co.uk/local/22214
No exact match found.