The Okhla Bird Sanctuary is a protected area located on the banks of the Yamuna River in Delhi, India. It spans approximately 4 square kilometers and is home to a diverse range of bird species, making it a popular spot for birdwatching. The sanctuary is especially known for its migratory birds, which visit during the winter months. Established in 1990, the sanctuary provides a vital habitat for over 300 species of birds, including both resident and migratory varieties. Visitors can enjoy walking trails and observation points, making it an ideal location for nature enthusiasts and photographers alike.