Greater scaup been described by Serebrovskij in 1941 from fossils recovered at Binagady, Azerbaijan. The greater scaup's name may come from "scalp", a Scottish and Northern English word for a shellfish bed, or from the duck's mating call: "scaup scaup". A phylogenetic analysis of the diving ducks, examining the skeletal anatomy and skin, found that the greater and lesser scaups are each other's closest relatives, with the tufted duck as the next closest relative of the pair. The adult greater scaup is long with a wingspan and a body mass of . It has a blue bill and yellow eyes and is
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