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Global Animal Guide

Mallard vs Southern Cassowary

Quick answer

In a hypothetical one-on-one, the Southern Cassowary would most likely come out on top decisively, thanks to its more dangerous natural weapons and greater size and power. In reality, animals like these rarely meet, and both would usually avoid a fight.

This is a hypothetical, educational comparison based on typical size, strength, and natural weaponry. In the wild these animals rarely meet, and most encounters end without a fight.

Male mallard duck with green head on pond Power 24

Bird

Least Concern
Mallard
Weight 1.2 kg
Length 60 cm
Top speed 80 km/h
Strength 10/100
Deadliness 5/100
Intelligence 42/100
Lifespan 10 yr
Southern cassowary with casque and blue neck Winner Power 66

Bird

Least Concern
Southern Cassowary
Weight 60 kg
Length 1.8 m
Top speed 50 km/h
Strength 70/100
Deadliness 75/100
Intelligence 45/100
Lifespan 40 yr

Mallard vs Southern Cassowary compared

Side-by-side comparison of the Mallard and the Southern Cassowary
Attribute Mallard Southern Cassowary
Weight 1.2 kg 60 kg
Length 60 cm 1.8 m
Top speed 80 km/h 50 km/h
Strength 10/100 70/100
Deadliness 5/100 75/100
Intelligence 42/100 45/100
Lifespan 10 yr 40 yr

Mallard vs Southern Cassowary: common questions

Who would win in a fight, a Mallard or a Southern Cassowary?

In a hypothetical one-on-one, the Southern Cassowary would most likely come out on top decisively, thanks to its more dangerous natural weapons and greater size and power. In reality, animals like these rarely meet, and both would usually avoid a fight.

Which is bigger, the Mallard or the Southern Cassowary?

The Southern Cassowary is heavier, weighing around 60 kg compared with the other's 1.2 kg.

Which is faster, the Mallard or the Southern Cassowary?

The Mallard is faster, reaching about 80 km/h versus 50 km/h.

Which lives longer, the Mallard or the Southern Cassowary?

The Southern Cassowary typically lives longer, up to around 40 years compared with 10 years.

Sources & references

Size, speed, and conservation data are drawn from established zoological references. Compare full profiles for habitat, diet, and behaviour:

By the Global Animal Guide editorial team Last reviewed How we research & review
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