オーストラリアチョウショウバト 対 ベニカノコバト

To separate Peaceful Dove from Bar-shouldered Dove, focus on the patterning of the neck and throat: Peaceful Dove has fine striations (narrow black-and-white bars) extending from the nape onto the throat, while Bar-shouldered Dove shows coppery, striated nape feathers but a plain, unbarred throat. In all ages, Bar-shouldered Dove’s nape is copper-colored and lacks throat barring, which is a key difference. Bar-shouldered Dove is also noticeably larger and bulkier, with a slightly longer tail. Both species can show similar long-tailed, ground-dove jizz, but careful attention to neck and throat pattern is the most reliable field mark, especially at close range or with good binocular views.

1. Neck and throat pattern (all ages): Peaceful Dove shows fine black-and-white striations (bars) extending from the nape down onto the throat and sides of the neck. Bar-shouldered Dove has a coppery, striated nape but a plain, unbarred throat. This is the single most reliable mark at any age.
2. Nape color (all ages): Bar-shouldered Dove’s nape is coppery or rufous with striations; Peaceful Dove’s nape is greyish with fine black-and-white bars.
3. Breast and belly: Both species have blue-grey breasts, but Peaceful Dove’s is often paler and more uniform, while Bar-shouldered Dove’s may appear slightly darker and bulkier.
4. Wing pattern: Bar-shouldered Dove has chequered brown-bronze wings, which can look scaly or patterned in good light. Peaceful Dove’s wings are less distinctly chequered and more uniform.
5. Eye ring: Bar-shouldered Dove has a grey eye ring, which can turn red-brown in breeding season. Peaceful Dove’s eye ring is less prominent and not described as changing color.
6. Size and structure: Bar-shouldered Dove is significantly larger (26–30 cm) and more robust, with a longer tail. Peaceful Dove is smaller and more delicate. Size is best judged with direct comparison or in mixed flocks.
7. Tail: Both have long tails, but Bar-shouldered Dove’s is proportionally longer and the bird appears bulkier overall.
8. Flight style: Both species fly directly and swiftly, but Bar-shouldered Dove’s wings are noted to whistle in flight. Listen for this sound when birds flush.
9. Voice: Bar-shouldered Dove’s call is a distinctive, melodious "cook-a-wook" or "coolicoo." If you hear this, you are likely hearing Bar-shouldered Dove.
10. Juvenile birds: Even in duller juveniles, the throat pattern remains diagnostic: Peaceful Dove juveniles retain throat striations, Bar-shouldered Dove juveniles do not.
11. Context: Both species can occur together, but check for size and throat pattern before relying on habitat or behavior.
12. Common pitfalls: Do not confuse the coppery nape of Bar-shouldered Dove for throat barring—always check if the barring extends onto the throat (Peaceful Dove) or stops at the nape (Bar-shouldered Dove).
13. Lighting: In poor light, the coppery nape of Bar-shouldered Dove may appear duller, so always double-check the throat for striations.
14. Mixed flocks: When both species are present, direct comparison of size and throat pattern is easiest.
15. Spotted Turtle Dove confusion: Both species can be confused with the introduced Spotted Turtle Dove, but that species has a spotted rather than barred neck and is not covered in this comparison.

Bar-shouldered Dove is distinctly larger, measuring 26–30 cm in length, compared to the smaller Peaceful Dove (not specified here, but always smaller than Bar-shouldered Dove in direct comparison) [wikipedia]. Bar-shouldered Dove appears more robust and longer-tailed, while Peaceful Dove is more petite and delicate overall. In mixed flocks or side-by-side, the size difference is usually obvious, but beware lone birds or poor views, as posture can sometimes mislead.

• Juvenile/immature birds: Both species are duller when young, but the key difference remains: Peaceful Dove juveniles still show fine black-and-white striations on both nape and throat, while Bar-shouldered Dove juveniles have a duller, coppery nape but the throat remains plain and unbarred [wikipedia].
• Adults: Peaceful Dove has a blue-grey breast and belly, with fine black-and-white barring (striations) extending from the nape down onto the sides of the neck and throat. Bar-shouldered Dove has a blue-grey breast as well, but the nape is coppery with striations, and the throat is unbarred and plain. The wings of Bar-shouldered Dove are chequered brown-bronze, while Peaceful Dove’s wings are less distinctly chequered. Eye ring color in Bar-shouldered Dove is usually grey but can turn red-brown in breeding season; this is less conspicuous in Peaceful Dove.
• In flight: No distinctive upperwing pattern differences are described for these two species, so flight separation relies mainly on overall size and tail length, with Bar-shouldered Dove appearing larger and longer-tailed.

Both doves are often seen feeding on the ground, singly, in pairs, or in loose flocks. Flight is direct and swift in both species, but Bar-shouldered Dove’s wings are noted to whistle in flight. Both are generally approachable and not particularly shy, but Bar-shouldered Dove may be more likely to be found in larger loose groups. No major behavioral differences are diagnostic in the field.

Bar-shouldered Dove has a distinctive, melodious call described as "cook-a-wook" or "coolicoo." No vocal description is provided for Peaceful Dove here, but the Bar-shouldered Dove’s call is considered distinctive and may help in separation if heard well.