Least ConcernRed-breasted Merganser
Mergus serrator
45 countries21 parks
Species group · Birds
WAnimals has 2 species of merganser, in the family Anatidae.
Ranges calculated from the profiles that record the figure, not from all 2.
Each one has its own full profile. This group does not replace them: it brings them together.
No species documented in this group is genuinely at risk according to the IUCN, with the data available today.
Recorded in 47 countries. The ones with the most species in the group:
Its bill carries backward-pointing horny barbs that work like a saw and stop fish escaping once caught: hence the specific name serrator, "sawyer".
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It is a powerful flier that reaches 129 km/h in level flight.
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The Mar Menor has at times held between 20% and 40% of the Iberian wintering population and 5% of the world total.
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Its serrated bill earns it the nickname "sawbill".
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Several females may share the same tree to breed, forming mixed broods of more than 40 ducklings.
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Its ducklings jump straight from the tree hole to the water or the ground after hatching.
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