The 1.5 L stamp is from 2009 Flowers issue showing Pheasant's eye (Adonis vernalis),which is a perennial flowering plant found in dry meadows and steppes in Eurasia.In contrast to most other European Adonis species, the flowers appear in springtime, and are up to 80 mm in diameter, with up to 20 bright yellow petals.
The plant is poisonous, containing cardiostimulant compounds, such as adonidin and aconitic acid. In addition, it is often used as a ornamental plant.
The two WWF stamps were issued in 2001 depicting Corn Crake (Crex crex), or landrail,which is a small bird in the family Rallidae.
Its breeding habitat is not marshes as with most crakes, but, as the name implies, meadows and arable farmland. It breeds across Europe and western Asia, migrating to Africa in winter. It is in steep decline across most of its range because modern farming practices mean that nests and birds are destroyed by mowing or harvesting before breeding is finished.
Corn Crake is very secretive in the breeding season, and heard far more often than it is seen. It is hard to flush, walking away through the vegetation. The song, mainly heard at night and very early morning, is a repetitive, far-carrying crex crex, like two notched sticks being rubbed together. This bird feeds mainly on insects, as well as seeds, shoots and frogs.
The 1L stamp is from 2008 Water Plant issue showing a May Lily (Maianthemum bifolium),which is a localized common rhizomatous flowering plant in the family Liliaceae, native from western Europe east to Siberia, China and Japan.