watching birds is a type of…
- en human activity (n) ➜
- en intelligent agent activity (n) ➜
- en outdoor activity (n) ➜
- en recreational activity (n) ➜
- en unnatural thing (n) ➜
- en watching (n) ➜
Links to other resources
- umbel.org /umbel/sc/BirdWatching
- sw.opencyc.org /2012/05/10/concept/en/BirdWatching
