Wikimedia Commons has media related to Observation hobbies.
This category is for hobbies where the primary activity is "watching", "spotting", "tracking", etc. of various things.
Subcategories
This category has the following 4 subcategories, out of 4 total.
A
B
R
S
Pages in category "Observation hobbies"
The following 23 pages are in this category, out of 23 total. This list may not reflect recent changes.