Lancaster, CA employs an innovative method of crime fighting: bird noises.
"The next time you hear a bird chirping outside your window, you might think twice about what’s going on inside his little birdbrain."
Are birds’ tweets grammatical? [Scientific American] But are the rules of grammar unique to human language? Perhaps not, according to a recent study, which showed that songbirds may also communicate using a sophisticated grammar—a feature absent in even our closest relatives, the nonhuman primates. Kentaro Abe and Dai Watanabe of Kyoto University performed a series of experiments to determine whether Bengalese finches expect the notes of their tunes to follow a certain order.
Searchable Ornithological Research Archive a site containing back issues of avian journals dating back to 1884. Some highlights: The landing forces of domestic pigeons, [pdf] an 1889 comparison of bird brains [pdf]