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RE: Ilha da Queimada Grande: The Forbidden Snake Island
I wonder how many birds need to be caught every day to sustain such a large population. Truly fascinating stuff :-)
I wonder how many birds need to be caught every day to sustain such a large population. Truly fascinating stuff :-)
Luckily snakes have a low metabolism and don't need to eat nearly as often as mammals do. More than likely, an individual snake probably only eats one bird every few weeks. You're right though: with thousands of snakes on the island, that has to be a huge number of birds. I believe some sources indicate that the snakes are also cannibalistic, and will occasionally feed on other lanceheads when the need arises.