http://www.surinamebirds.nl/php/intro_e.php: The 50 most common birds of Suriname: They were most cited by birdwatchers in the last 50 years. All 50 most common birds have their own page on this site and some 520 others also have a page with photo. About 200 birds have their sound on this site. The number of bird species for Suriname changes because birds new for Suriname are found, or because two old species are ‘lumped’ into one new species by SACC, an international committee. A printed annotated checklist of the birds of Suriname, published by the World Wildlife Fund (WWF).
For more information on birds on stamps:
http://www.birdtheme.org/country/surinam.html: Bird stamps from Suriname listed, mentioning ‘face value’, ‘family number’, ‘English name’, ‘Scientific name’.