Zarudny (or Sarudny), Nikolai Alekseyivich (1859–1919) Russian (Ukrainian) zoologist, traveller and ornithologist.

Named subspecies:

Cursorius isabellinus var. Bogolubovi  1885 = Cream-coloured Courser Cursoius cursor bogolubovi

Totanus s. longitarsus 1918 = Marsh Sandpiper Tringa stagnatilis

(With Smirnov) Totanus s. bechsteini 1923 = Marsh Sandpiper Tringa stagnatilis