title: Ontogenesis of the Sandhill Crane (Grus canadensis canadensis) in North-Western Chukotka and its and other cranes reaction to the observer
abstract: Ideas about the ontogenesis of the nominative subspecies of the Sandhill Crane are limited to two student publications (Boice, 1977; Reed, 1988). Our observations were carried out on 5.06-17.08.1991 in the vicinities of the Ust’-Chaun (= Rytkuchi) Village (68°54`N, 170°43`E) at the southeastern extremity of the Chaun Bay (North-Western Chukotka, Chaun District of Chukotka Autonomous Okrug, Russia) on the 7×9 km area between the southeastern shoreline of the Chaun Bay in the North-West and the Pa
journal: “Branta” Transactions of the Azov-Black Sea Ornithological Station