Rück's Blue Flycatcher (Cyornis ruckii)
Illustration redrawn by AI from a real photograph

Rück's Blue Flycatcher

Cyornis ruckii (Oustalet, 1881)

20 gWeight

Rück's blue flycatcher (Cyornis ruckii) is a passerine bird in the Old World flycatcher family Muscicapidae.

Critically Endangered

Where and when it's recorded

No records at the public birding hotspots we track. It may be rare, remote, or its locations protected.

About

Rück's blue flycatcher (Cyornis ruckii) is a passerine bird in the Old World flycatcher family Muscicapidae. It is known from only four specimens and is endemic to a small area in northeast Sumatra, Indonesia, inhabiting primary lowland forest. Although all specimens share common characteristics, such as a black bill, brown iris, and black feet, two of the collected specimens show some physical discrepancy with the other two.

Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia

Questions

How big is the Rück's Blue Flycatcher?

The Rück's Blue Flycatcher weighs around 20 g.

Where does the Rück's Blue Flycatcher live?

Its breeding range: Oriental: northern Sumatra (no records since 1918).

Is the Rück's Blue Flycatcher endangered?

The IUCN Red List classifies the Rück's Blue Flycatcher as Critically Endangered.

What does the Rück's Blue Flycatcher eat?

Main food: Insects & other invertebrates.

What family is the Rück's Blue Flycatcher in?

It belongs to the family Chats, Old World Flycatchers (Muscicapidae), order Passerines (Passeriformes).

At a glance

Weight
20 g
Habitat
Forest
Diet
Insects & other invertebrates
Lifestyle
Perches in trees
Conservation
Critically Endangered
More measurements
Wing
77 mm
Tail
60 mm
Bill
17 mm
Tarsus
18 mm

Averages from the AVONET dataset; length from field guides where available.

Range

Oriental: northern Sumatra (no records since 1918)

Breeding range, IOC World Bird List 15.2

Classification

Order
Passerines Passeriformes
Family
Chats, Old World Flycatchers Muscicapidae
Genus
Cyornis

Other birds in the genus Cyornis

Pale Blue FlycatcherPale Blue FlycatcherCyornis unicolorChinese Blue FlycatcherChinese Blue FlycatcherCyornis glaucicomansBlue-throated Blue FlycatcherBlue-throated Blue FlycatcherCyornis rubeculoidesHainan Blue FlycatcherHainan Blue FlycatcherCyornis hainanusBornean Blue FlycatcherBornean Blue FlycatcherCyornis superbusMalaysian Blue FlycatcherMalaysian Blue FlycatcherCyornis turcosusPalawan Blue FlycatcherPalawan Blue FlycatcherCyornis lemprieriSunda Blue FlycatcherSunda Blue FlycatcherCyornis caerulatusBlue-breasted Blue FlycatcherBlue-breasted Blue FlycatcherCyornis heriotiRufous-breasted Blue FlycatcherRufous-breasted Blue FlycatcherCyornis camarinensisPhilippine Jungle FlycatcherPhilippine Jungle FlycatcherCyornis ruficaudaSulu Jungle FlycatcherSulu Jungle FlycatcherCyornis ocularis
Rück's Blue Flycatcher

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Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from reference photos.

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