During their spring migration, hummingbirds fly thousands of miles across land and sea to make it back to their breeding grounds in the US, passing through multiple cities on the way. Hummingbird sightings in urban areas are pretty common, and there are simple ways you can help them by making your balcony safer and more attractive to these winged beauties.
With so many glazed buildings, artificial light at night and the lack of vegetation in many urban areas, this stretch of the journey can be particularly hazardous for these tiny avian acrobats.
