S718 * Plain-backed Pipit or Plain Pipit * Donkerkoester * Anthus Leucophrys

By Francesco Veronesi from Italy - Plain-backed Pipit - Tanzania_0025, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=39428035

Koester

Sources:
(*) https://en.wikipedia.org/wiki/Plain-backed_pipit
(*) https://ebird.org/species/plbpip1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=plbpip1