[2] V. E. Flint published not only scientific monographs and articles, field guides, and textbooks for universities,but also many popular science essays and children's books.
He was a leader in the development of captive breeding centers for saving genetic resources and for the reintroduction and population restoration of threatened wildlife.
He was the leader of the international "Project Sterkh", involving ornithologists who exported and imported hatching eggs of the Siberian crane.
[6] Vladimir Flint participated in the creation of the IUCN's Red Data Books and in the preparation of legislative acts on nature conservation.
He is the author of the draft of the USSR law «Об охране и использовании животного мира» ("On the Protection and Use of Wildlife"), which declared fundamentally new legal norms.
[4] He also promoted international cooperation for wildlife conservation by facilitating visits by people like Gerald Durrell and Sir Peter Scott to remote areas of Russia.
As a member of the board of the Ассоциации дружбы с народами Африки (Association of Friendship with the Peoples of Africa), V. E. Flint organized a number of trips to the national parks of Kenya, Uganda, and Tanzania.
Together with such scientists as Andrei Grigorievich Bannikov, Yuri Andreevich Isakov, Viktor Alekseevich Popov (1910–1980), and others, he was among the first Soviet zoologists to see with their own eyes the animal world of the savannahs of East Africa.
[4] Flint worked in expeditions in Northern Kazakhstan, Primorsky Krai, Tuva, Transbaikalia, Turkmenistan and other republics of Central Asia.
Since 1963, his attention was drawn to the north — he visited the Barents Sea's Murmansk coast, Wrangel Island, the tundra of Yakutia, and the Taimyr Peninsula.