Two male birds tussle for the affections of a mate during nest building season. Using only their beaks, the baya weaver birds have constructed the curiously shaped nests out of grass, leaves, and mud, as they hang from an optical fibre cable almost 30ft from the ground, in Durgapur, West Bengal, India.

The male weavers construct these as a means of impressing their female counterparts, who will select a mate based on the location, design, and comfort of the nests presented to...
more »