Llama distinguished by the inhabitants of South America are recognized as distinct species, though with difficulties in defining their distinctive characteristics. These are: The llama and alpaca are only known in the domestic state, and are variable in size and of many colors, being often white, brown, or piebald. Some are grey or black. The guanaco and vicuña are wild, the former being endangered, and of a nearly uniform light-brown color, passing into white below. They certainly differ from each other, the vicuña being smaller, more slender in its proportions, and having a shorter head than the guanaco. The vicuña lives
Bolivia–Chile relations reactivated its old claim that Chile had inherited a land border with Peru using the "uti possidetis" principle. Chile disembarked troops at Antofagasta the day of the auction. Later, Chile declared war on Bolivia and occupied Bolivia's coast. Peru had, in 1873, signed a secret pact with Bolivia in which the two countries agreed to fight together against any nation that threatened either of them. When Peru refused to be neutral in the conflict between Chile and Bolivia, Chile declared war on Peru. Chile defeated both countries and annexed the coast claimed by Bolivia. This was ratified by Peru in