Swiss city to protect swallows, swifts and bats

House martins, barn swallows, common swifts and bats living are in sharp decline in urban Swiss areas. Yverdon-les-Bains has launched a protection plan. The plan proposes three main objectives: to promote the development of existing colonies, to compensate for the destruction of natural habitats, and to update the management of buildings. According to the French-speaking city, the threat to species is mainly due to urban densification and the energy-efficiency refurbishment of old buildings,…