By Rebecca Hogue Wojahn
Welcome to the Gal?pagos Islands! As you stick with a course in the course of the black lava rock on one of many islands, you could pay attention the ocean lions barking or the hum of a white-lined sphinx moth flying prior your head. The Gal?pagos Islands are lively, from an immense tortoise trudging towards a cactus patch to a Gal?pagos barn owl gliding within the air, able to take hold of up a Santa Fe rice rat. Day and evening within the Gal?pagos Islands, the quest is directly to locate nutrients - and to prevent changing into an individual else's subsequent meal. all of the dwelling issues are attached to each other in a meals chain, from animal to animal, animal to plant, plant to insect, and bug to animal. What course will you are taking to keep on with the meals chain in the course of the islands? Will you . . . pass fishing with a blue-footed booby? Snack on a few crabs with a Gal?pagos sea lion? Dive lower than the reef looking for algae with a marine iguana? stick to all 3 chains and lots of extra in this who-eats-what experience!
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Additional info for A Galapagos Island Food Chain: A Who-Eats-What Adventure (Follow That Food Chain)
As he does, he sneezes. It’s not really a sneeze, but it looks and sounds like one. Marine iguanas drink the salty water from the sea. But their bodies have to get rid of the extra salt. They blow the extra salt out of a special gland above their eyes. The salty spray from our iguana’s “sneeze” coats his black back. The salt will dry as a white crust. For now, the marine iguana will rest. He’ll soak up the sun so that he can survive the cool night air. Tomorrow, it’ll be more of the same. Last night for dinner, the marine iguana nibbled .
In fact, many people mistake sphinx moths for hummingbirds or bats. He heads out and away from his vine. Adult sphinx moths live in the dry parts of the islands. Once he reaches his new home, he’ll start looking for food. He’ll use his long tongue to sip nectar (a sweet liquid) from the flowers. Tonight for dinner, the white-lined sphinx moth sips . . . nectar from opuntia cactus flowers. To see what opuntia cactuses are like, tu rn to page 56 . . nectar from the blooms on a sunflower tree.
Over a long period of time, the finches’ beaks changed. The birds adapted to fit the food available in their habitats. This chart shows some of the different sizes and shapes of beaks. A sharp-beaked ground finch draws blood from a masked booby. The cactus finch eats insects and parts of the Opuntia cactus. It uses its long, thin beak to search the cactus flowers for bugs. The large ground finch eats mostly seeds. Its strong, thick beak can crush hard seed shells. The woodpecker finch uses its beak to grip sticks or cactus spines.