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(c) Анна Голубева, some rights reserved (CC BY-NC-ND)
Photo 2 of 5
(c) Bruno Durand, some rights reserved (CC BY-NC)
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(c) Игорь Васильевич Фадеев, some rights reserved (CC BY-NC)
Photo 4 of 5
(c) Анна Голубева, some rights reserved (CC BY-NC-ND)
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(c) Tatsutomo Chin, some rights reserved (CC BY)

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Oriental Cuckoo

Cuculus optatus

Worldwide: 1,759 observations
Group: Birds

About

The Oriental cuckoo or Horsfields cuckoo (Cuculus optatus) is a bird belonging to the genus Cuculus in the cuckoo family Cuculidae. It was formerly classified as a subspecies of the Himalayan cuckoo (C. saturatus) with the name Oriental cuckoo used for the combined species. Differences in voice and size suggest that they should be treated as a separate species. The binomial name Cuculus horsfieldi has often been used instead of Cuculus optatus but is now usually...

Summary from Wikipedia, CC BY-SA 4.0.

Recent sightings near Ulaanbaatar

Research-grade observations within 25 km, newest first.

No research-grade sightings within 25 km yet. See all records on iNaturalist.