Crested Ibis vs Scarlet Ibis
How does the Crested Ibis compare to the Scarlet Ibis? They are both members of the Threskiornithidae family. Below we put their classification, habitat, diet, size, and conservation status side by side — and settle who would win in a fight.


Side-by-side comparison
- Scientific name
- Nipponia nippon
- Eudocimus ruber
- Classification
- Bird
- Bird
- Family
- Threskiornithidae
- Threskiornithidae
- Habitat
- Wetlands, marshes, rice paddies, and riverbanks
- Wetlands and coastal lagoons
- Diet
- Carnivore
- Carnivore
- Conservation status
- Endangered
- Least Concern
- Lifespan
- 15-20 years
- 15-20 years
- Weight
- 1.8–2.5 kg
- 1.4-1.7 kg
Crested Ibis vs Scarlet Ibis: who would win?

Crested Ibis
1.8–2.5 kg

Scarlet Ibis
1.4-1.7 kg
Crested Ibis has the edge moderate confidence
Crested Ibis is somewhat heavier (1.8–2.5 kg vs 1.4-1.7 kg), giving it the edge in a head-to-head. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
Similarities
- Both are birds.
- Both belong to the Threskiornithidae family.
- Both have a carnivore diet.
Differences
- Habitat: Wetlands, marshes, rice paddies, and riverbanks vs Wetlands and coastal lagoons.
- Conservation: Endangered vs Least Concern.
- Weight: 1.8–2.5 kg vs 1.4-1.7 kg.
Crested Ibis vs Scarlet Ibis: FAQ
Who would win in a fight, a Crested Ibis or a Scarlet Ibis?
Crested Ibis has the edge. Crested Ibis is somewhat heavier (1.8–2.5 kg vs 1.4-1.7 kg), giving it the edge in a head-to-head. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
What is the difference between a Crested Ibis and a Scarlet Ibis?
Crested Ibis and Scarlet Ibis differ in several ways — habitat: wetlands, marshes, rice paddies, and riverbanks vs wetlands and coastal lagoons. conservation: endangered vs least concern. weight: 1.8–2.5 kg vs 1.4-1.7 kg.
Do Crested Ibis and Scarlet Ibis live in the same habitat?
No — Crested Ibis lives in wetlands, marshes, rice paddies, and riverbanks, while Scarlet Ibis is found in wetlands and coastal lagoons.
What do Crested Ibis and Scarlet Ibis eat?
Both Crested Ibis and Scarlet Ibis have a carnivore diet.
Which is more endangered, the Crested Ibis or the Scarlet Ibis?
Crested Ibis is listed as Endangered, while Scarlet Ibis is listed as Least Concern.
How big are Crested Ibis and Scarlet Ibis?
Crested Ibis weighs around 1.8–2.5 kg, while Scarlet Ibis weighs around 1.4-1.7 kg.

Full profile
Crested Ibis

Full profile
Scarlet Ibis



