Greater Yellowlegs (Tringa melanoleuca) lives in wet coastal areas across North America. It feeds on insects and crustaceans. Its conservation status is Near Threatened.
Fascinating facts about the Greater Yellowlegs
- The greater yellowlegs ranks among the largest shank species, only the willet surpasses it in overall size. Adults measure between 29 and 40 cm in length, giving them a notably long profile for a wader. Their body mass varies from 111 to 250 g, providing the strength needed for long migrations. A wingspan of about 60 cm further underlines their substantial build compared with slimmer relatives.
- Greater yellowlegs build their nests on the ground, often selecting concealed spots close to water to reduce predation risk. After hatching, the chicks are remarkably precocious, leaving the nest within just 24 hours. Within two days they have moved away from the immediate nesting area, beginning independent foraging. This rapid departure helps them avoid nest-based threats while still staying near suitable feeding sites.
- A typical clutch of greater yellowlegs contains three to four eggs, each measuring about 49 mm in length and 33 mm in breadth, and weighing roughly 28 g. The incubation period is 23 days.
- When the greater yellowlegs is in flight it emits a three-syllable whistle, the last note noticeably lower than the first two. This flight-call is harsher, louder and clearer than the call of its close relative, the lesser yellowlegs.
- The greater yellowlegs normally breeds in the boreal bogs and marshes of central Canada and southern Alaska, then migrates to the Atlantic and Pacific coasts of the United States, the Caribbean, and further south to Central America, the West Indies and South America for the winter. Although it is a New World species, it is recorded only as a very rare vagrant on western Europe.
Sources
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At a glance
RangeNorth America
HabitatWet coastal areas
DietInsects and crustaceans
About the Greater Yellowlegs
As the sun rises over the marshy wetlands, a lone Greater Yellowlegs emerges from the tangled vegetation, its long, slender legs unfolding like a ghostly apparition as it begins its daily prowl for sustenance. With each deliberate step, the yellowlegs probes the murky waters, its sharply pointed bill twitching with an almost imperceptible sensitivity, as if attuned to the very pulse of the ecosystem. In this fleeting moment, we are reminded of the remarkable resilience of this near-threatened species, whose very existence hangs precariously in the balance of a fragile and ever-changing world.
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