Darwin: murdering a fox, not helping a frog

Darwin: murdering a fox, not helping a frog

“A fox (Canis fulvipes (Lycalopex fulvipes)), of a kind said to be peculiar to the island, and very rare in it, and which is a new species, was sitting on the rocks. He was so intently absorbed in watching the work of the officers, that I was able, by quietly walking up behind, to knock ...