Why City Birds Love Cigarettes

The video discusses the impact of cigarette butts as plastic pollutants and their unexpected use by urban songbirds in nest building. It highlights how birds use cigarette butts for their pest-repelling properties, despite the potential harm from chemicals. The video also explores the effects of these chemicals on bird DNA and the need for further research on long-term impacts.

What role does nicotine play in the behavior of songbirds regarding pest repelling?

How do the nesting behaviors of house sparrows and house finches differ in relation to DNA damage?

What further research is needed to understand the long-term effects of cigarette butt usage in bird nests?