Sometimes when I water my lawn, there is a robin nearby.
They must be looking for earthworms crawling out of the wet soil.
Christmas Robins
Iss. 1995, 30 Oct. Perf. 15×14 Two phosphor bands
1897 1222 25p Silver, greenish yellow, vermilion, orange vermilion, bistre & black
[Source: 2003 Scott Standard Postage Stamp Catalogue Vol.3]