Wild Field (Russian: Дикое поле Dikoe pole) is a 300 ha (740 ac) nature reserve near the city of Tula in Tula Oblast in the European part of Russia, approximately 250 km (150 mi) south of Moscow.

[2] Unlike Pleistocene Park, Wild Field’s primary purpose is not scientific research but public outreach, i.e. it will provide a model of what an unregulated steppe ecosystem looked like before the advent of humans.

[13] Several young wild boar/domestic pig hybrids (Sus scrofa × domesticus) have also been purchased to be released into the park upon maturing.

[13] In 2017, four reindeer (Rangifer tarandus)[16] and 73 domestic Pridonskaya goats (a strain of Capra aegagrus hircus)[4] were added.

[13] Further plans call for the introduction of bison, saiga antelopes, vultures, bobak marmots and speckled ground squirrels.