Red-breasted Merganser (Mergus serrator)
The Red-breasted Merganser (Mergus serrator) is a striking duck renowned for its exceptional diving abilities and vibrant plumage. Found in rivers and coastal waters, this species thrives by catching small fish, crustaceans, and aquatic insects, making it a fascinating subject for bird enthusiasts.
Common Names
| 🇨🇦 | Red-breasted Merganser |
| 🇫🇷 | Harle huppé |
| 🇩🇪 | Mittelsäger |
| 🇲🇽 | Serreta mediana |
Taxonomy
| Order | Anseriformes |
| Family | Anatidae |
Characteristics
| Length | 51–64cm |
| Weight | 800–1350g |
| Wingspan | 66–74cm |
| Clutch Size | 3-24 eggs |
| Incubation | 28-35 days |
| Fledging | 59 days |
| Sexual Maturity | 2-3 years |
Identification and Similar Species
The Red-breasted Merganser closely resembles the Common Merganser. However, it can be distinguished by the unique coloration of its neck and breast, which are not white.
Best Locations and Seasons for Sightings
The Red-breasted Merganser can often be observed in Rapids Park Lachine, with occasional sightings in the large pond at Park Angrignon.
| Location | Spring | Summer | Autumn | Winter |
|---|---|---|---|---|
| Parc de la Frayère | - | x | - | - |
| Parc des Rapides | - | x | - | - |
"x" indicates the species was observed, while "-" indicates no observation. Lack of observation doesn't necessarily imply that the species is absent. Data is derived from my park visit journals.
All content on this page — including photos, videos, and field audio recordings — was created by Karl-Heinz Müller, a Montréal-based wildlife filmmaker, sound recordist, and photographer. Founder of MUUUH and Québec Sauvage, he has spent over a decade documenting Canada’s natural habitats through immersive soundscapes and wildlife films. Learn more about Karl-Heinz
Last updated: 2025-01-05