I like birdwatching! It can be a very fun recreational activity or citizen science.
My boss loves it too. I don't know much about it, although I do enjoy seeing unusual birds from time to time. 
I like it because you don't necessarily need anything special to birdwatch, unless you would like to buy binoculars or a telescope. But they aren't necessary!
Do you use bird feeders or anything else to attract them? I know some people like to attract hummingbirds to their gardens. 
I do! I have a very nice birdfeeder in my yard that my grandfather built. It attracts all kinds of different birds!
We have one that the squirrels keep getting into!
" are today used by some interchangeably, although some participants prefer "birding", partly because it includes the auditory aspects of enjoying birds.
In North America, many birders differentiate themselves from birdwatchers, and the term "birder" is unfamiliar to most lay people. At the most basic level, the distinction is perceived as one of dedication or intensity, though this is a subjective differentiation. Generally, self-described birders perceive themselves to be more versed in minutiae like identification (aural and visual), molt,
so fantastic. I've just slid in like I've been there all my life. It's been fantastic fun. And it's a character who you can do anything you want with - I love those! It's very easy work." Asked whether if he will watch his first, he replied: "They've got me in the last scene of the day at work today, so I don't know if I'm going to get home in time for it! But all the family are there watching