Pale-legged Hornero
Furnarius leucopus
The pale-legged hornero is 15 to 18 cm (5.9 to 7.1 in) long and weighs about 37 to 49 g (1.3 to 1.7 oz). It is a medium-sized hornero with a long and nearly straight bill. The sexes' plumages are alike. Adults of the nominate subspecies F. l. leucopus have a wide whitish supercilium, brownish gray ear coverts, and a tawny-rufous malar area. Their crown is dark rufescent brown. Their back, rump, and uppertail coverts average bright orange rufous but vary between tawny rufous and rufous amber. Their tail is chestnut. Voice: The pale-legged hornero's song is a "long series of loud, explosive, piercing, staccato notes, which decelerates and descends in pitch...rendered PIPIPI'PI'pi'pi-pi-pi-pi-pi pee pee pu". Its calls are "a loud, rich, scratchy or reedy chet or kyeek, or a descending cheeop".
ID text from Wikipedia, CC BY-SA 4.0
Rufous Hornero
Furnarius rufus
The rufous hornero is a medium-sized ovenbird at 18 to 20 centimetres (7–8 in) and 31 to 58 grams (1.1–2.05 oz), with males being heavier. It has a slender and slightly decurved bill suited to eating insects, which is horn-coloured with a length of 2.5 centimetres (1.0 in). Wings length is 10.2 centimetres (4 in), with males generally being larger. The tail is short at 7.1 centimetres (2.8 in). The measurements of the species may differ due to the Bergmann's rule. The sexes have similar plumage. It has a rufous-brown back and pale buffy brown underparts.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Pale-legged Hornero and Rufous Hornero.