Helianthemum cretaceum (Rupr.) Juz.
Common Raven is the largest passerine bird who is known to humans from ancient times. Many if not all birdwatchers are acquainted with the all-black colour of Ravens’ plumage which glossed purple and dark blue especially on head, neck and chest. ‘Krook’, the Ukrainian name of the species, is an onomatopoeic word reflecting typical Raven sound which can be heard throughout the year.
New sources on flora and vegetation, lichens, fungi, insects, spiders and molluscs were added to the Library
Maps of the distribution of chalk steppe in Ukraine were added to Chalk Steppe page.
New sources were added to the Library at new page on European chalk grasslands.
A note about Ukrainian chalk steppe and its conservation was published recently in international online magazine Plant Talk that supports plant conservation worldwide.