How to Identify Black-chinned Hummingbird Feathers
A guide to the black-and-purple gorget feathers and plain green-backed body feathers of male Black-chinned Hummingbird, and how to separate them from other western hummingbirds.
Read the full Black-chinned Hummingbird encyclopedia entry →
What Black-chinned Hummingbird's Feathers Look Like
Black-chinned Hummingbird feathers are minute, as with all hummingbirds — body feathers typically under 1.5 cm, flight feathers 3-4 cm. The male's throat (gorget) feathers show a distinctive two-part pattern: the upper throat is velvety black, while a narrow band of iridescent purple-violet sits at the base of the throat, visible only in direct light — in poor light or at the wrong angle, the whole gorget can look uniformly black, so checking multiple angles matters. Back and crown feathers are metallic green, and the underparts are whitish to pale grayish, with a hint of dusky wash on the flanks. Females and immatures lack the black/purple gorget entirely, showing a plain whitish throat sometimes with faint dusky streaking, so a plain-throated green-backed hummingbird feather doesn't rule out this species. The tail is fairly plain dusky-black with minimal color, unlike species with rufous tails.
Step-by-Step: Is This Feather From a Black-chinned Hummingbird?
- Check for the black-to-purple gorget transition. A throat feather that is black at the base of the bill grading into an iridescent purple band lower down is the single best clue for an adult male.
- View iridescent feathers from multiple angles. Because hummingbird gorget color depends on light angle, rock the feather to see if purple flashes appear — a feather that looks all-black in one view may show purple in another.
- Confirm a plain green back with no rufous. Metallic green crown/back feathers, without any cinnamon or rufous wash in the wings or tail, help separate this from rufous-toned species.
- Consider a plain whitish throat option. No visible gorget doesn't rule out the species — it may simply be a female or immature.
- Assess tail color. A dusky, unmarked tail (no rufous or cinnamon edging) fits this species better than Rufous or Allen's Hummingbird.
Similar Species & How to Tell Them Apart
Anna's Hummingbird, common in overlapping western range, shows a male gorget that is a rosy-magenta/pink-red color extending up over the crown as well, quite different from Black-chinned's black-to-purple throat-only pattern — Anna's also shows color on the crown, which Black-chinned never does. Costa's Hummingbird shows an extensive violet-purple gorget that flares out to the sides in long points, unlike the narrower, straighter-edged black/purple band of Black-chinned. Ruby-throated Hummingbird, the eastern counterpart with very limited range overlap, shows a solid iridescent red (not black-based) gorget in males. Female/immature separation among all these species is genuinely difficult from a single feather; the presence of a two-toned black/purple gorget feather is the most efficient shortcut specifically to Black-chinned Hummingbird among males.
Where & When You'll Find Them
Black-chinned Hummingbirds breed across much of the western United States, from the Pacific coast through the Great Basin and into the desert Southwest, in a wide range of habitats including canyons, riparian corridors, gardens, and desert washes, wintering mainly in Mexico. Feathers are most likely found near feeders and flowering plants (penstemon, agave, salvia) during the breeding season, from spring arrival (March-April) through late summer. As with most hummingbirds, molt is gradual and mostly completed on the wintering grounds, so worn or lost body feathers found in the U.S. during the breeding season typically reflect normal feather wear and preening rather than a full seasonal molt event.
Frequently asked questions
What's the single best clue for an adult male's gorget feather?
A throat feather that is velvety black near the bill grading into an iridescent purple band lower down — check it from multiple angles since the purple only shows in certain light.
How is this different from Anna's Hummingbird?
Anna's Hummingbird males show rosy-magenta color extending up over the crown as well as the throat, while Black-chinned's color is confined to the throat and is black-to-purple rather than pink-red.
Can I identify a female Black-chinned Hummingbird from a single feather?
It's difficult — females lack the diagnostic gorget and look similar to females of several other green-backed hummingbirds; a plain whitish throat feather with a green back is consistent but not conclusive.
Does this species have rufous in the tail like Rufous Hummingbird?
No, its tail is plain dusky-black without cinnamon or rufous tones, which helps separate it from Rufous and Allen's Hummingbirds.
When is the best time to find this species' feathers?
During the breeding season, roughly March/April through late summer, especially near feeders and flowering plants in its western US breeding range.