Buff-bellied Hummingbird vs Rufous-tailed Hummingbird

Buff-bellied Hummingbird

Amazilia yucatanensis

Tiny4 gWoodland

The buff-bellied hummingbird is 10 to 11 cm (3.9 to 4.3 in) long and weighs 2.9 to 4.7 g (0.10 to 0.17 oz). Adult males have a rosy reddish bill that is dusky at the end; females' have more dark on the maxilla. Adult males of the nominate subspecies have metallic bronze green upperparts that are duller and darker on the crown. Their uppertail coverts are a mix of bronze green and cinnamon rufous. Their tail feathers are chestnut at the base and metallic bronze at the end. Voice: The buff-bellied hummingbird's vocalizations have been well studied only in Texas. Displaying individuals make a two-syllable "tsi-we" call. During feeding it makes "tik" or "tik-k" notes. When chasing other hummingbirds it gives a "long, low call with notes repeated rapidly (see-see-see-see-su-su)"; this vocalization has also been described as the species' song.

ID text from Wikipedia, CC BY-SA 4.0

Photo: Brandon Johnson · CC BY 4.0

Rufous-tailed Hummingbird

Amazilia tzacatl

Tiny5 gForest

The rufous-tailed hummingbird is 9 to 11 cm (3.5 to 4.3 in) long and weighs approximately 5 g (0.18 oz). The adult male of the nominate subspecies has a green head and upperparts except for chestnut-brown lores and uppertail coverts. The tail is also mostly chestnut-brown, giving the species its English name; the feathers' outer webs and tips are bronze green. The throat, upper breast, and sides are green; the throat feathers sometimes have thin white edges giving a scalloped effect. The lower breast is gray, the belly white, and the undertail coverts chestnut-brown.

ID text from Wikipedia, CC BY-SA 4.0

Recorded by Gean Carlo Valdés · Song · Islas secas, Panama · CC0

Photo: Andy Morffew from Itchen Abbas, Hampshire, UK · CC BY 2.0

Photos and recordings are credited to their authors under the licence shown. Full profiles: Buff-bellied Hummingbird and Rufous-tailed Hummingbird.