Open AccessThe impact of modern transformations of the infrastructure of the city of Samara on the breeding biology of the sparrowhawk
Author(s) -
Ivan Sergeevich Pavlov,
Vladimir Nicolaevich Makarenkov
Publication year - 2016
Publication title -
samarskij naučnyj vestnik
Language(s) - English
Resource type - Journals
eISSN - 2782-3016
pISSN - 2309-4370
DOI - 10.17816/snv20164108
Subject(s) - samara , sparrow , brood , geography , nest (protein structural motif) , woodland , ecology , hectare , nest box , felling , breed , streptopelia , predation , forestry , biology , archaeology , agriculture , dove , biochemistry , political science , law
Since 1997, we watched the birds of prey that lived in the Samara city, and found that the most numerous and widespread in these conditions is a Sparrow hawk. During this time, the number of this type birds of increase. Now it is we value it more than 50 pairs. In urban environments, many hawks inhabit the typical places for them - woodland area of more than 1 hectare, where a lot of young trees. Not only the natural forests but artificial too. In the last 5-7 years there has been a tendency to breed hawks in atypical for their groves with a very small area in the densely populated areas of the city. In 2016, we found Sparrow hawks nest in a grove near the geographical center of the Samara city. Area trees no more than 0,5 hectares, it is 50 meters from the road, and 5 meters from the curb. But here the hawks successfully grow brood. 3 young hawks are haking in the and of nesting (2 females and 1 male). Thus, despite the active cultivation and development of forest parks and vacant lots in the Samara city, carried out in recent years, sparrow hawks, are here in the first place, the optimum feeding conditions, showing almost all adaptive capacity to adjust to changing conditions.