Fork-tailed Woodnymph

Fascinating facts about the Fork-tailed Woodnymph

• Over 1,200 metres above sea level, in the misty Andes mountains, a flash of blue and green slices through the air at speeds of up to 30 kilometres per hour - the flight of the Fork-tailed Woodnymph as it chases after insects. Its slender body and long, forked tail allow for agile pursuit, making it a formidable hunter. This adaptability reveals how the woodnymph has evolved to thrive in its mountainous habitat.
• Every morning, the male Fork-tailed Woodnymph begins its daily ritual, beating its wings up to 80 times per second to generate a buzzing sound that attracts females. This high-speed display is a testament to the woodnymph's remarkable courtship behaviour, with the male's ability to produce sound playing a crucial role in mating. By studying this behaviour, scientists can gain insights into the complex social dynamics of these birds.
• Average lifespan of the Fork-tailed Woodnymph in the wild is approximately 5 to 7 years, although one bird was tracked for 11 years in a study by Brazilian ornithologist, Luis Fábio Silveira, between 1995 and 2006. During this time, the bird made over 4,000 trips to a single feeding spot, demonstrating the woodnymph's ability to form long-term bonds with its environment. This level of dedication to a specific location highlights the importance of conservation efforts to protect these habitats.
• Fork-tailed Woodnymphs beat their wings in a figure-eight pattern, generating lift on both the upstroke and downstroke, allowing them to hover in place for up to 3 seconds at a time. This unique pattern, observed by scientists such as Alejandro Rico-Turner in 2018, is crucial for the woodnymph's ability to feed on nectar deep within flowers, reaching areas that other birds cannot. The woodnymph's hovering ability is made possible by its extremely fast wing movement, with some birds reaching wingbeat frequencies of over 90 times per second.
• In the tropical forests of Central and South America, the Fork-tailed Woodnymph plays a vital role as a pollinator, feeding on nectar from over 20 different species of flowers, including the Heliconia and Passionflower. As it feeds, the woodnymph transfers pollen between flowers, facilitating the reproduction of these plant species. With over 100,000 Fork-tailed Woodnymphs estimated to exist in the wild, their cumulative impact on the ecosystem is substantial, making conservation of these birds crucial for maintaining the delicate balance of their habitats.

At a glance

About the Fork-tailed Woodnymph

The Fork-tailed Woodnymph (Thalurania furcata) is a strikingly beautiful hummingbird, adorned with iridescent plumage that shifts in color from deep emerald green to sapphire blue, depending on the angle of light. Males exhibit a distinctive forked tail, which not only enhances their aerial acrobatics but also serves as a visual cue during courtship displays. These birds inhabit the lush undergrowth of tropical forests and edges, primarily across Central and South America, from Costa Rica down to Brazil. They are often found in small, family groups, darting through the foliage with an agility that belies their size. Their vibrant colors and energetic movements make them a favorite among birdwatchers, yet their elusive nature can make sightings feel like a rare gift. The Fork-tailed Woodnymph's diet primarily consists of nectar from a variety of flowering plants, supplemented by small insects and spiders, which provide essential protein. Their long, slender bills are perfectly adapted for probing deep into tubular flowers, allowing them to access nectar that many other birds cannot reach, showcasing their vital role in the pollination of numerous plant species. Interestingly, these hummingbirds exhibit an extraordinary ability to enter a state of torpor, significantly lowering their metabolic rate during cooler nights, which conserves energy and allows them to survive in their sometimes unpredictable habitats.

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