Figure 1: Relationships of certain dinosaur taxa. In contrast to the canalicular pattern in extant birds and the ornithomimids, the canaliculi in the ornithischian dinosaurs that we have examined ...

Le premier fossile de ptérosaure a été décrit en 1784 et les paléontologues ne savaient s'il s'agissait d'une créature aquatique, d'une chauve-souris ou d'un oiseau. Georges Cuvier, en se basant sur ...

The Red-throated Diver has a restricted breeding distribution within Britain and Ireland, favouring small lochs and lakes close to the sea in the north of Ireland and north and west of Scotland. The ...

This large heavy-billed seabird is a winter visitor to shallow coastal waters around Britain & Ireland, typically arriving during October and November. The only European breeding population is located ...