In the new Dragons on the Wall, we discuss all of the big events this week, plus what we think about a change for Sansa from the books.

Groups of 6 sparrows succeed at a problem-solving task more quickly and more efficiently than pairs. Better problem-solving skills may be yet another advantage of living a social life.

Though house sparrow numbers in the United States are down — to 80 million today, from 400 million in 1966 — they are still one of our most common birds, and we’ve had an explosion of them ...

In 2004, about half the sparrows in Alberta were singing the new doublet ending, but by 2014, every sparrow in the area had made the shift. By 2015, every sparrow west of central Ontario was ...

Much to the consternation of many birders and conservationists, pigeons and starlings, along with house sparrows, constitute the three most common species of birds in many urban environments in ...

We tallied 15 Lincoln’s sparrows on our foray, but seeking shy sparrows with 25 people is not optimal. I knew far more sparrows were present and returned alone at dawn the following morning.