Redhead
RedheadRedheadRedheadRedhead

Redhead

Aythya americana

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Insufficient data
overall probability at Montes Azules Biosphere Reserve
3 Verified records at Montes Azules Biosphere Reserve
☀️ Diurnal When it's active during daytime hours (6am–6pm)

The redhead (Aythya americana) is a medium-sized diving duck. Its scientific name is derived from Greek aithuia, an unidentified seabird mentioned by authors including Hesychius and Aristotle, and Latin americana, of America. The redhead is 40–56 cm (16–22 in) long with an 74–84 cm (29–33 in) wingspan; weights range from 1,030–1,080 g (36–38 oz), with males weighing an average of 1,080 g (38 oz) and females an average of 1,030 g (36 oz). It belongs to the genus Aythya, together with 11 other described species. The redhead and the common pochard form a sister group, which together are sister to the canvasback. This waterfowl is easily distinguished from most other ducks by the male's copper-colored head and pale blue bill during the breeding season; from its close relative, canvasback, it is distinguished by the more rounded head, shorter bill, and (in the males) yellow, not red, eyes. Wikipedia →

Closest Relatives at Montes Azules Biosphere Reserve

Lesser Scaup
LC

Lesser Scaup

☀️ Diurnal Bird

Aythya affinis

<5% · Rare
Ring-necked Duck
LC

Ring-necked Duck

☀️ Diurnal Bird

Aythya collaris

<5% · Rare
Black-bellied Whistling-Duck
LC

Black-bellied Whistling-Duck

☀️ Diurnal Bird

Dendrocygna autumnalis

10–20% · With luck
Blue-winged Teal
LC

Blue-winged Teal

☀️ Diurnal Bird

Spatula discors

5–10% · With luck
Muscovy Duck
LC

Muscovy Duck

☀️ Diurnal Bird

Cairina moschata

5–10% · With luck
Northern Pintail
LC

Northern Pintail

☀️ Diurnal Bird

Anas acuta

<5% · Rare
Common Teal
LC

Common Teal

☀️ Diurnal Bird

Anas crecca

<5% · Rare
Northern Shoveler
LC

Northern Shoveler

☀️ Diurnal Bird

Spatula clypeata

<5% · Rare
American Wigeon

American Wigeon

☀️ Diurnal Bird

Mareca americana

<5% · Rare
Cinnamon Teal

Cinnamon Teal

☀️ Diurnal Bird

Spatula cyanoptera

<5% · Rare
Fulvous Whistling-Duck
LC

Fulvous Whistling-Duck

☀️ Diurnal Bird

Dendrocygna bicolor

Insufficient data
Snow Goose
LC

Snow Goose

🌅 Crepuscular Bird

Anser caerulescens

Insufficient data

📅 Monthly Probability

📊

Fewer than 5 records of Redhead at Montes Azules Biosphere Reserve — not enough to chart months honestly.

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Elk Island National Park 🇨🇦 Canada
20–30%
2 Death Valley National Park 🇺🇸 United States
10–20%
3 Bahía de Loreto National Park 🇲🇽 Mexico
10–20%
4 El Vizcaíno Biosphere Reserve 🇲🇽 Mexico
10–20%
5 Riding Mountain National Park 🇨🇦 Canada
5–10%
6 Zion National Park 🇺🇸 United States
5–10%
7 Yellowstone National Park 🇺🇸 United States
5–10%
8 Glacier National Park 🇺🇸 United States
<5%
9 Kluane National Park 🇨🇦 Canada
<5%
10 Banff National Park 🇨🇦 Canada
<5%
11 Channel Islands National Park 🇺🇸 United States
<5%
12 Celestún Biosphere Reserve 🇲🇽 Mexico
<5%
13 Joshua Tree National Park 🇺🇸 United States
<5%
14 Big Bend National Park 🇺🇸 United States
<5%
15 Jasper National Park 🇨🇦 Canada
<5%
16 Wrangell-St. Elias National Park 🇺🇸 United States
<5%
17 Everglades National Park 🇺🇸 United States
<5%
18 Point Pelee National Park 🇨🇦 Canada
<5%
19 Badlands National Park 🇺🇸 United States
<5%
20 Grand Teton National Park 🇺🇸 United States
<5%
21 Rocky Mountain National Park 🇺🇸 United States
<5%
22 Redwood National Park 🇺🇸 United States
<5%
23 Cumbres de Monterrey National Park 🇲🇽 Mexico
<5%
24 Shenandoah National Park 🇺🇸 United States
<5%
25 Sequoia and Kings Canyon National Parks 🇺🇸 United States
<5%
26 Grand Canyon National Park 🇺🇸 United States
<5%
27 Great Bear Rainforest 🇨🇦 Canada
<5%
28 Great Smoky Mountains National Park 🇺🇸 United States
<5%
29 Olympic National Park 🇺🇸 United States
<5%
30 Wood Buffalo National Park 🇨🇦 Canada
Insufficient data
31 Pacific Rim National Park Reserve 🇨🇦 Canada
Insufficient data
32 Isle Royale National Park 🇺🇸 United States
Insufficient data
33 Voyageurs National Park 🇺🇸 United States
Insufficient data
34 Montes Azules Biosphere Reserve 🇲🇽 Mexico
Insufficient data
35 Denali National Park 🇺🇸 United States
Insufficient data
36 Big Cypress National Preserve 🇺🇸 United States
Insufficient data
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