POLISH PHILATELY
www.filatelistyka.org - polish philately website
www.kzp.pl - polish philately website
www.zgpzf.pl - official website of Polish Philatelists Union
WORLD PHILATELY
FIP - official site of Fédération Internationale de Philatélie (FIP)
ASKPHIL - general answers to questions about stamp collecting
STAMPORAMA - the free club for all stamps collectors
WNS - WADP Numbering System
PWMO - Philatelic Webmasters Organisation
Stamp-Scandal - information about illegal stamps issues
Europeanstamps.net - portal for collectors of european stamps
BIRDS ON STAMPS
Birdtheme - great birds on stamps catalogue compiled by Kjaell Scharning
Bird-stamps - Chris Gibbins website about birds on postage stamps
Rapahila - created by David Thibergien website about raptors (including owls) (in French)
Kingfishers - the stamps (with images) and other philatelic material about kingfishers (compiled by Keith Bowden)
Owls - Mike Duggan site about owls
RAPTORS
World Bird Gallery - birds on photos
Sokolnictwo.pl - polish website about falconry