https://www.bbc.co.uk/programmes/articles/56SVVMrwskG4ftLGswnx9YQ/fabulous-flights-13-amazing-facts-about-bird-migration

and what's new upon the BBC site, then?...I see...you might like to have a look at the following article, dazzlenation....go figure:

 

https://mary2point5.tumblr.com/