Urban bowerbirds use human trash in courtship displays

Male great bowerbirds in urban areas of Australia are increasingly incorporating human-made trash into their intricate courtship displays, according to new research. The study, conducted by scientists from the University of Exeter, reveals a stark difference in decoration choices between birds living in cities and those in rural environments.

The research focused on the great bowerbird, a species where males build elaborate tunnel-like structures called bowers from twigs to attract females. These bowers are not nests but are decorated with colorful objects, which the male uses in a visual display during courtship. The study compared bowers in the urban setting of Townsville City with those at the rural Dreghorn Cattle Station, both in Queensland, Australia.

Urban bowerbirds were found to decorate their bowers with a wide array of scavenged human items. Common decorations included glass, plastic, and wire. Researchers also documented more unusual objects such as a pair of handcuffs, medicine jars near a hospital, and fluorescent mouth guards from a site close to a football ground. In contrast, rural bowerbirds primarily used natural materials like leaves, seeds, and occasional...