foreign scientific societies.Animals for the zoo were bought, expeditions to nature were sent for them, many, especially large ones, were given by important people, for example, an Indian elephant was presented by Tsar Alexander II, a rhinoceros by Grand Duke Konstantin Nikolaevich Romanov, a zebra by the Egyptian Khedive Izmail Pasha.
The patrons of the Acclimatization Society and the Zoological Garden were also very famous people, members of the royal family, Grand Dukes Nikolai Nikolaevich the Elder, and then Sergei Alexandrovich.