Résultats de "Tim Birkhead" dans Toutes les catégories

Looking to the skies above, we have variously worshipped them as gods, hunted them for sustenance, adorned ourselves in their feathers, studied their wings to engineer flight and, more recently, attempted to protect them. Award-winning writer and ornithologist Tim Birkhead takes us on an epic and dazzling journey through this mutual history with birds, from the ibises mummified and deified by Ancient Egyptians to Renaissance experiments on woodpecker anatomy, from Victorian obsessions with egg-collecting to the present fight to save endangered species and restore their habitats.

What is it like to be a swift, flying at over one hundred kilometres an hour? Or a kiwi, plodding flightlessly among the humid undergrowth in the pitch dark of a New Zealand night? And what is going on inside the head of a nightingale as it sings, and how does its brain improvise? Bird Sense addresses questions like these and many more, by describing the senses of birds that enable them to interpret their environment and to interact with each other.

Rich with insight and packed with tales of birds and of people, this book reveals the great auk’s life before humanity, its death on the killing shores of the North Atlantic, and the unrelenting subsequent quest for its remains. Tim Birkhead’s research has revealed previously unimagined aspects of the bird’s life and also, unexpectedly, its afterlife; in a curious twist, Birkhead found himself the recipient of the archive of the man who accumulated more great auk skins and eggs than anyone else.

How are eggs of different shapes made, and why are they the shapes they are? When does the shell of an egg harden? Why do some eggs contain two yolks? How are the colours and patterns of eggshells created, and why do they vary? And which end of an egg is laid first - the blunt end or the pointy end?