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We can, of course, count wild, native, species. We can count vagrant species that made it to the area we are in under their own power. We can count introduced species that have met the criteria of the “Bird Police” for the area to which they are introduced. When we eateggs we eat chicken eggs almost exclusively.
Invading rats with bodies up to 8 inches (20 centimeters) long have begun eatingeggs and chicks, and some experts fear that unless the rats are eradicated, they could tip the Humboldt penguin toward extinction. From the Huffington Post.
Like crows and jays, they are social, vocal, intelligent, and omnivorous (including eatingeggs and nestlings). These are the six species that occur in Costa Rica: Yellow-throated Toucan (Ramphastos swainsonii). About the same size as a crow, this colorful creature is the largest toucan species in Costa Rica.
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