India, Feb. 23 -- It's hard to imagine, but Delhi is the second-most bird-rich capital in the world, after Nairobi, Kenya. Bird-spotters have recorded sightings of 471 species - residents such as ruddy-breasted crake and Tickell's blue flycatcher, winter visitors from Siberia and Central Eurasia, passage birds such as the greater flamingo, and chance sightings of the Terek sandpiper.
Across the city, there's much for a feathered friend to do. And the richest sightings have been along the Yamuna river, the fertile upper Gangetic plains and the Aravallis, apart from the Okhla Bird Sanctuary, the Hastinapur Wildlife Sanctuary, and the Sultanpur National Park.
So, it's no surprise that Delhi has a dedicated group of birders. Their records sho...