Birds
894 bird species have been recorded in Costa Rica (including Cocos Island), more than all of the United States and Canada combined. More than 600 of the Costa Rican species are permanent residents, and upwards of 200 are migrants, spending portions of the year outside of the country, usually in North America. Seven of the Costa Rican species are considered endemic, and 19 are globally threatened. Costa Rica's birds range in size from the Scintillant Hummingbird, at 2.2 grams and 6 cm (2.4 in), to the huge Jabiru, at 6.5 kg (14.3 lb) and 150 cm (60 in) (the American White Pelican is heavier, but is an accidental species).
Scarlet Macaws are a common species to Costa Rica. Unlike many bird species, macaws form a monogamous breeding pair and mate for life. Both males and females help care for young and raise chicks for up to two years before they fledge. Threats to the macaw include their popularity in the pet trade. One individual can be sold for up to one thousand dollars.
Hummingbird species demonstrate adaptation with bill shape and size. Certain species have specialized bills that allow them to feed from the flowers of certain species of plants. The relationship between the hummingbird and plant is mutualistic because the hummingbird transfers pollen between plant individuals in exchange for nectar. Because different species of hummingbirds are adapted to specific plants, of the right plants with the right pollen is ensured. The Mangrove Hummingbird is endemic to Costa Rica and specializes in feeding from the Tea Mangrove plant.
Read more about this topic: Fauna Of Costa Rica
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