Simonov, S., Matantseva, M., Krasovsky, Y. and Gaydysh, I. 2023. The Rustic Bunting Emberiza rustica abundance in the Kostomuksha Nature Reserve and Kalevala National Park (NW Russia) during the years 2015–2021: Brief report. Baltic Forestry. 29, 1 (Jul. 2023), id632. DOI:https://doi.org/10.46490/BF632.