Bird nest July to September), it is not in others, and the swiftlets are declining in areas where the harvest reaches unsustainable levels. Some species of birds are also considered nuisances when they nest in the proximity of human habitations. Feral pigeons are often unwelcome and sometimes also considered as a health risk. The Beijing National Stadium, principal venue of the 2008 Summer Olympics, has been nicknamed "The Bird Nest" because of its architectural design, which its designers likened to a bird's woven nest. In the Victorian era, naturalists often collected bird's eggs and their nests. The study of bird nests is
Green Park Stadium ODIs and one T20I. The stadium is situated near the river Ganges. It was named after British lady Madam Green who used to come here for horse riding. The stadium is nicknamed as 'Billiards Table', and is also nicknamed as 'Woolmer's turf' in the memory of late cricket coach and player Bob Woolmer who was born in McRobert Hospital opposite to the stadium. The Green Park Stadium is named after Madam Green who used to practice horse riding here in the 1940s. It is located in the Civil Lines area in the north east part of Kanpur city near the