On April 4 2018, the first commercial trains began running between London and Amsterdam. Current Eurostar Chief Executive Mike Cooper said: The departure of our first commercial service to Amsterdam represents a historic milestone for Eurostar and the growth of international high-speed rail.

The albino leopard was quite remarkable, as it was completely unspotted.

Both the Cuckoos and the Moth-hunters pertain to that extensive order of birds which, in an arrangement of the class which I had lately the honour of submitting to the Zoological Society, I designated Strepitores, (or Screechers); an order characterized by numerous physiological agreements, but which embraces many forms externally dissimilar—that is to say, in those adaptive characters which have reference to a special mode of life. It is only in this group, among what have been termed perching birds, that the vocal organ is simple, or furnished with only a single pair of muscles; in consequence of which its various members are unable to inflect the voice

In a sense these sections form refrains to the two couplets, in which two types of material are used: birdsong, consisting of the calls and cries of the alpine chough and the raven, and passages representing the flight of the alpine chough and the flight of the golden eagle.