CreatureData

Marsh owl vs Stygian owl

The stygian owl is heavier: 565 g against 334 g for the marsh owl, about 69% more.

Marsh owl (Asio capensis)
Marsh owl LCLeast Concern
Photo: Josefito123 · CC BY-SA 4.0 · Wikimedia Commons
Stygian owl (Asio stygius)
Stygian owl LCLeast Concern
Photo: Herbert G. Fischer · CC BY-SA 3.0 · Wikimedia Commons

What is the difference between a marsh owl and a stygian owl?

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

  • The stygian owl is heavier: 565 g against 334 g for the marsh owl, about 69% more.
  • Both belong to the genus Asio, so they are close relatives.
  • Both are listed as Least Concern on the IUCN Red List.

Side by side

Marsh owlStygian owl
Scientific nameAsio capensisAsio stygius
FamilyStrigidaeStrigidae
OrderStrigiformesStrigiformes
Weight328.3 g – 340 g553.2 g – 565 g
LengthNot recordedNot recorded
LifespanNot recordedNot recorded
Main foodNot recordedNot recorded
Habitatgrasslandforest
Conservation statusLeast ConcernLeast Concern
Countries recordedNot recordedNot recorded

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

Full record: Marsh owlFull record: Stygian owlCompare other animals