KATHMANDU —They can be seen nesting in tight spaces between buildings, on window panes and rooftops across Kathmandu. Common pigeons (Columba livia) were once a beloved site in this city, flocking to religious and tourist sites where people would buy special grains to feed them. Now, though, residents say the birds have turned into a … Continue reading In Kathmandu, when the falcon’s away, pigeons come out to play. And poop