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'll listen the ocean lions barking or the hum of a white-lined sphinx moth flying previous your head. The Gal?pagos Islands are lively, from an enormous tortoise trudging towards a cactus patch to a Gal?pagos barn owl gliding within the air, able to clutch up a Santa Fe rice rat. Day and evening within the Gal?pagos Islands, the search is directly to locate foodstuff - and to prevent turning into a person else's subsequent meal. the entire dwelling issues are attached to each other in a foodstuff chain, from animal to animal, animal to plant, plant to insect, and bug to animal. What course will you are taking to stick to the nutrition chain during 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 resources for A Galapagos Island Food Chain: A Who-Eats-What Adventure (Follow That Food Chain)
Tur n to page 34. Flightless Cormorant (Phalacrocorax harrisi) The flightless cormorant stands on the shore, stretching his wings wide to dry them. His wings are short compared to his body size. The feathers are thin and ragged. He doesn’t need to really dry his wings at all. Anyone can see that they are way too skimpy to ever get the cormorant off the ground. But drying them off is a habit that’s left over from his ancestors. The ancestors of the flightless cormorant could once fly and needed dry wings to do so.
Or maybe not. Scientists are hoping that they may find a mate for Lonesome George on a different island. In the past, people took tortoises for to the zoos around the world. Many of them have since been returned was islands. Scientists are hoping that maybe a Geochelone abingdoni returned to the wrong island and has been living there. White-Lined Sphinx Moth (Hyles lineata) The white-lined sphinx moth clings to the leaf. He pumps his new wings in the cool night air. 5 centimeters). He’s lived his whole life near this vine on the humid part of the islands.
But wait! There’s another. He’s a male—you can tell because he’s darker. You notice that there are finches all around you. One pecks at the mites and ticks on a marine iguana. Another can be spotted nipping seabirds and drinking their blood. Others crunch leaves and flowers. And look there—that one has snipped off a cactus spine. She’s using it as a tool to fish bugs out of the cactus. How can the same bird have all these different behaviors? That’s what the scientist Charles Darwin wondered when he visited the island in 1835.