Common pochard and small populations are sometimes observed on the River Thames. Large numbers stay overwinter in Great Britain, after the birds retreat from Russia and Scandinavia. These are gregarious birds, forming large flocks in winter, often mixed with other diving ducks such as the tufted duck, with which they are known to hybridise. These birds feed mainly by diving or dabbling. They eat aquatic plants with some molluscs, aquatic insects and small fish. They often feed at night, and will up-end for food as well as the more characteristic diving. In number of countries the population of Common Pochard is decreasing
What the Little Bird Told Him an average score of 6.5 out of 10 on the review aggregator Rotten Tomatoes, with the site's consensus stating: "The character work in 'What the Little Bird Told Him,' along with the comeuppance of the Electrocutioner, are strong enough to overcome the anti-climactic face-off between Fish and Carmine Falcone." Matt Fowler of IGN gave the episode a "okay" 6.4 out of 10 and wrote in his verdict, "I almost want to forgive the head-scratching moments from this week's Electrocutioner story since "Gotham"s usual M.O. for these types of villain cases is to dumb things down. Easy investigation, few bits of