Add Yahoo as a preferred source to see more of our stories on Google. A shape-shifting flock of thousands of starlings, called a murmuration, is amazing to see. As many as 750,000 birds join together ...

Mixed-species bird flocks are dynamic assemblages observed across a range of forest ecosystems, from tropical rainforests to temperate woodlands. These flocks, formed by a diversity of species, are ...

Joan Strassman wrote a book, The Social Lives of Birds, and this piece might increase sales of this book since it is about the same topic and is cited. The late Oxford University biologist William D.