In this article I’ll be going over 7 big birds that can be found throughout North Dakota so, continue reading for a more detailed look at each of these birds below.

• Bald Eagle
• Golden Eagle
• Turkey Vulture
• Snowy Owl
• Great Egret
• American White Pelican
• American Herring Gull

7 Big Birds In North Dakota

1. Bald Eagle (Haliaeetus Leucocephalus)

• Size: 90 – 108cm
• Weight: 3 – 6.3kg
• Wingspan: 180 – 250cm

Bald eagles are fall and winter non-breeding residents in southwest North Dakota.

A bald eagle’s plumage consists of dark brown around its wing and body, with white feathers on its tail and head along with the trademark yellow beak and feet. Both male and female bald eagles look relatively the same.

As for where you can find these eagles, it will often be around lakes and reservoirs with lots of fish and surrounding forests. You’ll often find them around unfrozen lakes and hunting along coastlines, reservoirs, and rivers during the winter months

These eagles are birds of prey meaning they hunt other birds, medium sized mammals like rabbits, hares, other animals like reptiles, fish and even eat carrion when their options are limited. Sometimes bald eagles are recognised as fish eagles as their diet consists of fish and as meat is the only thing they eat these eagles would ultimately be regarded as carnivores too.

Bald eagles can live for around 20 years in the wild.

2. Golden Eagle (Aquila Chrysaetos)

• Size: 70 – 82cm
• Weight: 3.7 – 5.3kg
• Wingspan: 190 – 212cm

Golden eagles can be found in western North Dakota on year round basis and in the remainder of the state when in the fall and winter non-breeding months.

These eagles are recognised by their mostly light brown and dark brown plumage, yellow feet and black downwards pointing beak. Females once again are the larger of the 2 birds where males are roughly 33% smaller in size.

These eagles spend the majority of their time within open moorlands and mountains within the likes of Scotland, and many areas within north America

Golden eagles do eat carrion but, it isn’t their first choice of food when hunting for prey. If they do find a dead carcass they will eat it, with their general food choices consisting of smaller mammals, birds and sometimes larger prey.

These eagles are known to live for around 14 years in the wild whilst captive are even able stay alive till their early 30’s with the longest observed at 32 years old.

3. Turkey Vulture (Cathartes Aura)

• Size: 62 – 81cm
• Weight: 1.5 – 2 kg
• Wingspan: 1.6 – 1.8m

You’ll find turkey vultures across all of North Dakota in their spring and summer breeding season.

Turkey vultures have a plumage that is mostly brownish/black in color with silver/gray lining on the underside of their wings adding a contrast to their overall appearance. The face is pink/red with elements of black on the head topped of with a pale white beak.

These scavengers are mono-morphic so they do look the same with the only differentiating aspect being their sexual organs.

Turkey vultures are scattered throughout north America where they can be found staying within open and forested habitats where they will also stay within lower elevation mountain ranges.

Carrion is a turkey vultures primary food source but, they do also eat dead reptiles, birds, amphibians and invertebrates. As a whole these vultures do prefer fresher carrion but, like other vultures they can consume the same carcass over several days.

Turkey vultures are known to live for around 16 years in the wild and up to 30 years in captivity.

4. Snowy Owl (Bubo Scandiacus)

• Size: 52 – 71cm
• Weight: 1.1 – 2kg
• Wingspan: 125 – 164cm

Snowy owls can be found all throughout North Dakota in their non-breeding fall and winter months. 

These owls are recognised by their mostly white plumage with brown dots throughout the body. Females on the other hand are generally less white than the males as the brown spots encompass more of their body.

Snowy owls tend to spend their time within arctic tundra or open grasslands and fields, whilst avoiding forested areas. 

As for what they eat, it includes lemmings and a variety of small mammals. Nevertheless, they will still occasionally eat larger mammals like like hares, rats, rabbits, etc.

Snowy owls have been observed to live for around 28 years in captivity and between 10+ years in the wild.

5. Great Egret (Ardea Alba)

• Size: 80 – 100cm
• Weight: 0.7 – 1.5kg
• Wingspan: 130 – 170cm

You’ll be able to spot great egrets in central and the eastern regions of North Dakota when migrating.

Great egrets are recognised by their extremely long necks, yellow bill, long black legs and mostly white plumage. Both males and females look very similar with the males being generally larger than the females.

Great egrets spend the majority of their time within marshes, ponds, shores and mud flats.

As for what they eat, it includes primarily consume fish along with crustaceans, amphibians, and small mammals. They will also forage around open areas.

Great egrets tend to live for around 15 years in the wild and around 22 years in captivity.

6. American White Pelican (Pelecanus Erythrorhynchos)

• Size: 130 – 160cm
• Weight: 6 – 6.5kg
• Wingspan: 260 – 290cm

American white pelicans will use the eastern regions of North Dakota when breeding and the remainder of the state when they migrate. 

These pelicans can be recognised by their mostly white plumage and extremely large bills. Females look vey similar to the males.

You’ll often spot these birds around lakes and rivers.

As for what they eat, it includes mostly fish of the rough kind that humans don’t typically capture, smaller amphibians and crayfish.

Wild American white pelicans are known to live for around 16 year in the wild whilst captive ones are known to be around the 30 – 35 year range.

7. American Herring Gull (Larus Smithsonianus)

• Size: 60 – 67cm
• Weight: 1 – 1.5kg
• Wingspan: 120 – 160cm

You’ll find American herring gulls all across the state of North Dakota when migrating. 

American herring gulls are recognised by their gray wings, black tail feather, white feathers in the remainder of their body, yellow beak and reddish/orange legs. The females are typically a dirty light brown/gray color where it appears as if they’ve had mud sprayed across their feathers.

You’ll find these herring gulls around coasts and inland around rubbish tips, fields, large reservoirs and lakes.

In regards to what these gulls eat, it tends to be carrion, offal, seeds, fruits, young birds, eggs, small mammals, insects and fish.

American herring gulls are know to live for around 30 years on average, with the longest recorded hitting 49 years of age.