The Passer montanus, commonly known as the Eurasian Tree Sparrow, is a small bird native to Europe and Asia. It has a distinctive brown cap, white cheeks, and a black spot on its throat. This species typically inhabits rural and urban areas, often found near human settlements where it can forage for food. Eurasian Tree Sparrows primarily feed on seeds, grains, and insects. They are social birds, often seen in flocks, and are known for their chirping calls. Their adaptability to various environments has allowed them to thrive in diverse habitats, making them a common sight in many regions.