Skadar lake is home to 281 bird species and is an area of international importance. And it is also on worlds list of aquatic habitats of international importance.
The Skadar lake is also known for being the key resting place for birds migrating from northern Europe to Africa and is Europe's largest bird reserve. The lake is known for being the last remaining breeding ground of the endangered Dalmatian Pelican and Pygmy Cormorant.
The area where Lesendro island is located is the only water passage, a very narrow one, between the two parts of the Skadar Lake. This is why this important place has been called the “key of Skadar Lake”. Lesendro has been a protected immovable cultural asset of fortification architecture since 1949.