CreatureData

Cuckoo-roller vs Mallard

The mallard is heavier: 843.4 g against 255 g for the cuckoo-roller, about 3.3 times the weight.

Cuckoo-roller (Leptosomus discolor)
Cuckoo-roller LCLeast Concern
Photo: Brian Ralphs from Berkhamsted, Hertfordshire, UK · CC BY 2.0 · Wikimedia Commons
Mallard (Anas platyrhynchos)
Mallard LCLeast Concern
Photo: Calibas (edit by Aqwis ) · CC BY-SA 3.0 · Wikimedia Commons

What is the difference between a cuckoo-roller and a mallard?

Each point below is worked out from a pair of recorded values.

  • The mallard is heavier: 843.4 g against 255 g for the cuckoo-roller, about 3.3 times the weight.
  • They share the class Aves but sit in different orders: Cuckoo-roller in Leptosomiformes, Mallard in Anseriformes.
  • Both are listed as Least Concern on the IUCN Red List.

Side by side

Cuckoo-rollerMallard
Scientific nameLeptosomus discolorAnas platyrhynchos
FamilyLeptosomidaeAnatidae
OrderLeptosomiformesAnseriformes
Weight255 g – 260.8 g843.4 g – 1.21 kg
LengthNot recorded50 cm – 65 cm
LifespanNot recorded29 years
Main foodNot recordedanisoptera, arthropod, beetle, caddisfly, gastropoda, insect and 4 more
Habitatforestwetland
Conservation statusLeast ConcernLeast Concern
Countries recordedNot recorded1

A scale drawing needs a recorded length for both animals; only weights are on record for this pair.

Full record: Cuckoo-rollerFull record: MallardCompare other animals