The largest moose ever recorded in the United States

The biggest moose ever recorded in the United States is not a campfire rumor or a fuzzy photo on social media. It is a carefully measured Alaska–Yukon bull that sits at the top of the official record books, a giant that shows what this species can become in the right country. To understand that animal, you have to look at how it was scored, how it stacks up against other giants, and what it tells us about moose biology and the wild places that still grow bulls of that caliber.

I have spent enough time around moose, tape measures, and taxidermy shops to know that numbers alone never tell the whole story. But when you start digging into the measurements behind the largest American bull, from antler score to body weight, you get a clearer picture of what “huge” really means and how rare these outliers are.

What “largest” really means for a record-book moose

When hunters talk about the largest moose in the United States, they are usually talking about antlers, not body weight. The standard yardstick is the Boone and Crockett system, which adds up spread, main beam length, tine length, and palm measurements into a final score. For Alaska–Yukon bulls, that score is what determines the official World Record for the subspecies, and it is that antler score, not a guessed weight, that crowns the biggest bull in the country.

Body size still matters, of course, and it sets the stage for those antlers. The Alaska moose is the heavyweight of the species, with males that can stand over 2 meters at the shoulder and are recognized as the largest deer of all time. When you combine that frame with the right genetics and age, you get the kind of bull that can push into record territory, and that is exactly what happened with the top American moose.

The official king: Rex J. Nick’s Alaska–Yukon giant

The largest moose ever recorded in the United States is the Alaska–Yukon bull taken by Rex J. Nick on the Lower Yukon River in Alaska. That bull carries a Boone and Crockett SCORE of 266 4/8, a number that puts it at the top of the Alaska–Yukon category and makes it the biggest officially measured bull in the country. The LOCATION on the Lower Yukon River is classic big-moose habitat, a remote river system with rich willow flats and low hunting pressure, and that combination helped grow a rack that record-keepers had never seen before.

That same bull is also listed in detailed writeups that break down the top Alaska–Yukon entries, where the leading SCORE is again recorded as 266-4/8 for the 2010 entry by Rex Nick. When you see the same figure repeated across the official Alaska Yukon Moose listing and independent breakdowns of the Top Alaska Yukon Bulls, you are looking at the undisputed benchmark for an American moose.

How that bull compares to other giants in the record books

To appreciate how far ahead Rex J. Nick’s bull really is, you have to look at the rest of the leaderboard. The same rundown of The Biggest Moose Ever on Record lists the second-place Alaska–Yukon bull with a Score of 263-5/8, which is still an enormous rack but trails the top bull by nearly three full inches of antler. In the world of record-book moose, that kind of gap is significant, especially when you consider how many big bulls have been taken across Alaska and Canada since the 1880s.

There is also a lot of noise around supposed “world record” antlers that pop up online. One viral photo shows a manufactured set with an 84-inch spread being passed around as a record, even though the real record width is reported as 75-5/8 with a score of 263-5/8 B&C. When you strip away the fakes and the exaggerations, the verified numbers put the Nick bull clearly at the top, with only a handful of other Alaska–Yukon racks even close.

Body size: how big a record moose really is

Antler score gets the headlines, but the body behind those antlers is its own kind of record. The Alaska moose is the largest of the subspecies, with males that can weigh up to 1,600 pounds, and that kind of mass is what supports a giant rack through the rut. When you are looking at a bull that scores in the mid 260s, you are almost certainly looking at an animal that pushed toward the top end of that weight range, even if the exact dressed weight never made it into the record book.

Some individual bulls have had their body weights recorded, and those numbers help frame what a true giant looks like. One documented Alaska bull, highlighted as The Largest Moose In Alaska, was described as massive at 1,808 pounds, a figure that shows how far a big-bodied bull can go beyond the usual 1,600 pounds benchmark. That particular animal is not the antler record, but it shows that the same landscapes that grow record racks can also grow bulls that rival a compact car on the scale.

Moose scale: putting the record bull in everyday terms

Most people will never stand next to a live Alaska bull, so it helps to translate those numbers into something familiar. A full-grown moose can be as tall as an average front door or an NBA player at the shoulder, and some are about 8 inches taller than Jason Momoa. When you picture that kind of height topped with a rack that stretches wider than a full-size pickup, you start to understand why even seasoned hunters feel small when a big bull steps out of the willows.

Beyond the simple weight of a moose, there is also height and antler size to consider, and those antlers can grow to giant proportions. One breakdown notes that, Beyond the basic body mass, moose racks can reach spreads that rival the width of a compact car, and in many parts of Country, moose are a staple food source that fills freezers for the winter Beyond the trophy photos. When you combine that utility with the sheer scale of a record bull, you get an animal that dominates both the landscape and the local meat pole.

Subspecies and why Alaska grows the biggest bulls

Not every moose has the genetic or environmental potential to reach record size. Moose are split into several subspecies across North America, and the Alaska moose sits at the top of that heap. Western moose, for example, also reach around 6.5 feet tall but are heavier at 1,600 pounds in some regions, while the largest subspecies overall is the Alaska moose, which dominates the northern forests and river bottoms of the state.

At the other end of the spectrum is the Shiras Moose, the smallest and most geographically isolated subspecies in North America. The Shiras moose, scientifically known as Alces alces shirasi, tends to run between 800 and 1,200 pounds for adult bulls and stands around 5 to 6.5 feet at the shoulder, with smaller, more compact antlers that still carry the classic palmate look The Shiras. When you compare those animals to the giants of the Yukon River country, it becomes clear why the biggest American bull on record had to come from Alaska.

Moose as one of the world’s largest deer

Even outside the North American context, moose sit near the top of the mammal size charts. The largest living cervid is the moose, Alces alces, particularly the Alaskan subspecies, which has been verified at up to 820 k in some records. That puts these animals in the same weight class as some cattle and well above other deer species that most hunters are familiar with.

General biology data backs up what hunters see in the field. Live weights of males range from 360 to 600 kg with lengths from 2.4 to 3.1 m, while Females range from 270 to 400 kg. Those numbers line up with what record-keeping groups see when they log the biggest bulls, and they help explain why a fully mature Alaska–Yukon moose can carry so much antler without breaking down.

Modern giants, viral photos, and near-record bulls

Even with a clear record-holder on the books, new giants keep turning up in the North. A Brooks Range moose bagged in September by Bob Condon of, who was 73 years old at the time, was widely discussed as a potential challenger, even though it ultimately fell short of the world record. Another post about the same Brooks Range bull, again noting the 73-year-old Bob Condon of Soldotna, underlines how rare it is for a hunter of any age to connect with a moose that can even be mentioned in the same breath as the top entries Brooks Range.

Social media has also muddied the water with photos of antlers that are not what they seem. One widely shared image shows a supposed world record moose with a spread of 84 inches wide, a claim that has been repeated in posts asking readers to imagine how heavy the rack must be 73. Another breakdown points out that the pic of the moose antlers with the 84-inch spread is a manufactured set, and that the real world record width is 75-5/8 with a score of 263-5/8 B&C 84-inch. For anyone who cares about real records, that kind of clarification matters, and it keeps the focus on bulls that were actually taken on wild ground.

Why these records matter for hunters and wild places

Record animals are more than bragging rights. They are snapshots of what a species can do when age, genetics, and habitat all line up. Alaska moose are sexually dimorphic, with males being 40% heavier than females, and that extra mass is fueled by rich browse in river bottoms and wetlands that have not been hammered by development. When a bull lives long enough in that kind of country, it has a chance to grow the kind of antlers that end up in the record books.

Those same landscapes also support other big game and healthy predator populations, which is why record moose often come from places that feel a long way from the road system. Moose Size Comparison charts point out that the smallest subspecies is the Shiras, while the largest moose is the Alaskan moose, a pattern that tracks closely with how much intact habitat each group has left Moose Size Comparison. When I look at the measurements behind the largest American bull, I see more than a big rack. I see proof that some corners of the North still have the room and the resources to grow animals that push the limits of what we thought was possible.