Crow

In 1970, there were approximately 10 billion birds in North America. Now, there are around 7 billion, representing a loss of over a quarter of the continent's birds.

When you went out today, did you see any birds? A galah perhaps, or a crow?

A team of neuroscientists and psychologists from the Institute of Agricultural Engineering at the University of Bonn, and the Institute of Cognitive Neuroscience at the University of Bochum, both in Germany, has found possible evidence of roosters passing the self-recognition test. In their paper published in the open-access journal PLOS ONE, the group describes experiments they conducted with roosters and mirrors.

This year is the tenth annual Aussie Backyard Bird Count, which Professor Simon Griffith says highlights the important role citizen science projects play in our understanding of changes taking place in our world.

My friend recently changed their favorite celebrity crush from Anna Kendrick to Lily James. While some people could see the attraction, others might not. So what is it that attracts us to potential mates? A new study suggests that female animals learn from other females to prefer distinctive males as mates.