Southern Lapwing showing wing spurs, bony protuberances from the wrist of the wing, covered with keratinous sheath.
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Charadriiformes
Family:Charadriidae
Genus:Vanellus
Species:V. chilensis
Salinas, Canelones, Uruguay
via Flickr https://flic.kr/p/2h1RPSe