River Warbler
Locustella fluviatilis
Grassbirds and Allies (Locustellidae) · Passeriformes (Passeriformes)
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Often mixed up with
In quizzes, players most often confuse River Warbler with these birds— either this species was picked by mistake, or the other way around.
| Species | Mix-ups |
|---|---|
| Savi's Warbler Locustella luscinioides | 42 |
| Common Grasshopper Warbler Locustella naevia | 32 |
| Lanceolated Warbler Locustella lanceolata | 31 |
| Common Reed Warbler Acrocephalus scirpaceus | 9 |
| Great Reed Warbler Acrocephalus arundinaceus | 8 |
Family
Locustellidae is a recently recognised family of small insectivorous songbirds ("warblers"), formerly placed in the Old World warbler "wastebin" family. It contains the grasshopper warblers, grassbirds, and the Bradypterus "bush warblers". These birds occur mainly in Eurasia, Africa, and the Australian region.
Order
A passerine () is any bird of the order Passeriformes (; from Latin passer 'sparrow' and formis '-shaped'), which includes more than half of all bird species. Sometimes known as perching birds, passerines generally have an anisodactyl arrangement of their toes (three pointing forward and one back), which facilitates perching. With more than 140 families and some 6,500 identified species, Passeriformes is the largest order of birds and one of the most diverse clades of terrestrial vertebrates, representing 60% of …