Netherlands- Black-tailed Godwit & Great Tit

A finely cancelled bird stamp cover from Oldebroek in  the Netherlands with stamps commemorating 100 years of bird ringing and the Black-tailed godwit (Limosa limosa) and the Great tit (Parus major) on stamps promoting conservation .

Mexico - Great Egret

From the huge 2002, 22v set of Conservation, I received this fabulous large block on cover. 10 stamps of the Great Egret  (Ardea alba).  Cancelled at San Benito, Hermosillo, Sonora