Agence France-Presse: It takes the dexterity of a lacemaker to remove the tiny bird caught in nets strung between pine trees on Poland's Baltic coast, a veritable paradise for dozens of migratory species.
Polish ornithologist Jaroslaw Nowakowski delicately unravels the Goldcrest, among Europe's smallest bird species, placing it inside a muslin bag before moving it to a make-shift laboratory in a tent for measuring and tagging with rings.
The hulking professor says studies by the University of Gdansk over the last...