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Red-crowned Crane (Grus japonensis) Fact Sheet: Summary

Red-crowned Crane (Grus japonensis)

Red-crowned Crane (Grus japonensis) Fact Sheet

Red-crowned Crane

Red-crowned Crane (Grus japonensis)

Image credit: © San Diego Zoo Global. All rights reserved.

 

Taxonomy Physical Characteristics

Kingdom: Animalia

Phylum: Chordata

Class: Aves

Order: Gruiformes

Family: Gruidae

Subfamily: Gruinae

Genus: Grus

Species: Grus japonensis - Red-crowned Crane

Body Weight
7-10 kg (15-22 lb)

Height
158 cm (5 ft)

Wing Length
220-250 cm (7-8 ft)

Pelage
Adults have a large red patch on head. White body with white primary and black secondary/tertiary feathers. Black on neck.
Juveniles with white, cinnamon brown, gray.

Distribution & Status Behavior & Ecology

Range
Japan, Korea, China, southeast Russia

Habitat
Reed, sedge, and cat-tail marshes.
Reed swamps in China.
Crop or pasture land, dykes.

IUCN Status
Endangered

CITES Status
Appendix I and II

Population in Wild
Global population about 2800-3300 individuals; only about 1830 mature individuals.

Locomotion
Walk slowly, but can run quickly (up to 40 km/hr or 25 mph). Fly in straight lines or "V" formations.

Activity Cycle
Spend much of the day feeding. Roost at night.

Social Groups
Live and breed in flocks.

Diet
Omnivorous: insects, aquatic invertebrates, fish, amphibians, rodents; reeds, grasses, and other plants.

Predators
Of adults: birds of prey, escaped mink
Of eggs and juveniles: Dogs, foxes, raccoon dogs, badgers, martens may prey on young. Crows and ravens prey on eggs and hatchlings.

Reproduction & Development Species Highlights

Sexual Maturity
3-4 years

Clutch Size
Two eggs

Incubation Period
29-34 days

Hatching Weight
0.15 kg (5 oz)

Age at Fledging
About 95 days

Longevity
Up to 70 years in captivity.
Unknown in the wild; estimated 20-40 years.

Feature Facts

  • Second rarest crane, after whooping crane
  • Only 33 individuals remained in Japan after WWII; today about 1830 mature individuals (Endangered)
  • Dance behavior establishes and maintains pair bonds
  • Flight feathers fall out simultaneously every 2 years; cranes are temporarily flightless
  • Distinctive high- and low-pitched vocalizations
  • Maintain "personal space" among each other in their marsh homes

About This Fact Sheet

© 2011 San Diego Zoo Global. Minor Conservation update 2017.

 

How to cite: Red-crowned Crane (Grus japonensis) Fact Sheet. c2011-2017. San Diego (CA): San Diego Zoo Global; [accessed YYYY Mmm dd]. http://ielc.libguides.com/sdzg/factsheets/ redcrownedcrane
(note: replace YYYY Mmm dd with date accessed, e.g., 2015 Sep 10)

 

Disclaimer: Although San Diego Zoo Global makes every attempt to provide accurate information, some of the facts provided may become outdated or replaced by new research findings. Questions and comments may be addressed to library@sandiegozoo.org.

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