Northern Parula
Setophaga americana
The northern parula is one of the smaller North American migratory warblers, often being one of the smallest birds in a mixed feeding flock besides kinglets or gnatcatchers. Length is 10.8 to 12.4 cm (4.3 to 4.9 in), wingspan is 16 to 18 cm (6.3 to 7.1 in) and body weight is 5 to 11 g (0.18 to 0.39 oz). Among standard measurements, the wing chord is 5.1 to 6.5 cm (2.0 to 2.6 in), the tail is 3.7 to 4.5 cm (1.5 to 1.8 in), the bill is 0.8 to 1.1 cm (0.31 to 0.43 in) and the tarsus is 1.5 to 1.8 cm (0.59 to 0.71 in).
ID text from Wikipedia, CC BY-SA 4.0
Palm Warbler
Setophaga palmarum
Measurements: Length: 12–14 cm (4.7–5.5 in) Wingspan: 20–21 cm (7.9–8.3 in) Weight: 8.5–14.2 g (0.30–0.50 oz)
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
And 2 more countries.
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