White-Tipped Sicklebill (Eutoxeres aquila)
Family: Hummingbird Family (Trochilidae)
IUCN Conservation Status: Least Concern
The distinctive elongated, downwards-curving and perhaps just slightly goofy-looking beak of this small, dull-coloured hummingbird is an adaptation that allows it to feed on the nectar of plants with curved, tube-like flowers, particularly “lobster claws” in the genus Heliconia, which in turn rely heavily on sicklebills for pollination. Found mainly in evergreen forests across southern Central America and northern South America, White-Tipped Sicklebills, like other hummingbirds but unlike the vast majority of other bird species, utilize an insect-like manner of flapping that allows them to hover and move in any direction while in flight in order to carefully position themselves in a suitable place to extend their beaks and long, flexible tongues into flowers in order to feed, with a diet of sugar-rich, easily digestible nectar being necessary to meet the immense nutritional requirements associated with the extremely rapid flapping that makes their style of flight possible. Unusually for a bird White-Tipped Sicklebills are believed to breed multiple times each year, with males gathering together during the breeding seasons, producing harsh, high-pitch calls to attract females to their location and battling for the attention of mates in mid-air in a form of synchronised competitive courtship known as lekking. After mating, female White-Tipped Sicklebills build nests out of mammal fur, plant roots and spider webs (often hanging from or near Heliconia leaves, allowing for easy access to flowers) into which they lay 1-2 tiny eggs.
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Image Source: Here
