American Museum of Natural History engagement report
@AMNH - 470K followers on X
Measured over 13 original posts from a 30-day window, last computed on September 21, 2026.
Engagement
A typical post picks up 243 interactions against 470K followers, an engagement rate of 0.052%. Measured over 13 original posts, its engagement rate beats 62% of 15,519 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 7.0K times each, and 3.46% of those impressions turn into an interaction. That is about 1.49% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.43 posts a day over the last 30 days, though only 40% of days saw any activity at all. Most posts go out around 20:00 UTC, and Tuesday is the busiest day of the week. Of the 13 posts sampled, 100% carry an image or video. The account's strongest tracked post pulled 1.1K interactions, about 4.5x its own typical post. Recurring topics include #dyk, #otd.
Measured over 13 original posts from a 30-day window, last computed on September 21, 2026. Recurring tags: #dyk, #otd.
Compared with accounts its own size
American Museum of Natural History's engagement rate beats 62% of the tracked X accounts closest to it in follower count (15,519 accounts, accounts of similar size (decile 10 of 10)). A percentile is spread evenly by construction, so 50 really is the middle of that group and 90 really is its top tenth.
On engagement per impression rather than per follower it beats 84% of the same group. When those two numbers disagree, the gap is about how far its posts travel rather than how people react to them.
Where this sits in the catalog
At 0.052%, American Museum of Natural History sits above the 25th percentile of the 156,596 accounts in this comparison. That places it in the below the median band, which runs 0.022% to 0.127%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.003% |
| 25th percentile | 0.022% |
| 50th percentile | 0.127% |
| 75th percentile | 0.604% |
| 90th percentile | 2.32% |
| 99th percentile | 83.4% |
This ruler is the whole measured catalog, not a size-matched group: it shows where the raw rate falls across every account we can measure, all of which are large. For a like-for-like comparison, read the size-band percentile above instead. See how the bands are built
Posting timing
This account posts most often around 20:00 UTC, and Tuesday is its busiest day of the week. The bars below are the catalog-wide pattern, with this account's own busiest slot marked. They do not show how this account performs at each hour: we keep one aggregate per account, not one per hour, so that measurement does not exist in our data.
Show engagement by hour posted, utc as a table
| Hour (UTC) | Vs author median | Posts |
|---|---|---|
| 00:00 UTC | -1% | 89K |
| 01:00 UTC | -2% | 90K |
| 02:00 UTC | -3% | 88K |
| 03:00 UTC | -4% | 94K |
| 04:00 UTC | -5% | 76K |
| 05:00 UTC | -4% | 75K |
| 06:00 UTC | -5% | 86K |
| 07:00 UTC | -5% | 93K |
| 08:00 UTC | -4% | 108K |
| 09:00 UTC | -4% | 124K |
| 10:00 UTC | -3% | 129K |
| 11:00 UTC | -3% | 141K |
| 12:00 UTC | -3% | 154K |
| 13:00 UTC | -3% | 167K |
| 14:00 UTC | -4% | 173K |
| 15:00 UTC | -2% | 176K |
| 16:00 UTC | -3% | 171K |
| 17:00 UTC | -3% | 159K |
| 18:00 UTC | -2% | 149K |
| 19:00 UTC | -2% | 141K |
| 20:00 UTC | -1% | 131K |
| 21:00 UTC | 0% | 116K |
| 22:00 UTC | -2% | 100K |
| 23:00 UTC | -1% | 90K |
Show engagement by day of week as a table
| Day | Vs author median | Posts |
|---|---|---|
| Sunday | +5% | 393K |
| Monday | +1% | 483K |
| Tuesday | -2% | 520K |
| Wednesday | -3% | 472K |
| Thursday | -2% | 430K |
| Friday | -3% | 447K |
| Saturday | +2% | 393K |
Formats this account uses
Its own posting mix on the left, and what each of those formats does across every account we track on the right. Only formats where the effect clears our publish test appear here, so an empty row is a format we could not measure rather than one that does nothing.
| Format | This account | Catalog effect | 95% interval | Accounts behind it |
|---|---|---|---|---|
| Image or video | 100% of posts | +111% | +108% to +115% | 34K |
| Outbound link | 0% of posts | -41% | -42% to -40% | 32K |
| Typical length | - | +15% | +14% to +16% | 32K |
- 100% of this account's sampled posts carry an image or video. Across the catalog, posts with an image or video run 111% above the same accounts' other posts.
- 0% of its posts carry a link off X. Across the catalog, posts with an outbound link run 41% below the same accounts' other posts.
- Its average post runs 286 characters, which falls in the over 280 characters band. Across the catalog, posts over 280 characters run 15% above the same accounts' other posts.
These are catalog-wide differences applied to this account's own posting mix, not a measurement of how each format performs for this account specifically. We keep one median per account, not one per format per account, so the second thing is not something this data can tell you.
Best tweets
- Sep 3, 20264.5x their median
The little pygmy possum is the smallest possum in the world. This marsupial typically weighs only 0.4 oz (10 g)—about the weight of 10 almonds. This omnivore has a taste for the nectar & pollen of flowering plants, and it can consume up to 7% of its body weight in a single day! https://t.co/dt0lG9cMvU
- Jun 29, 20264.3x their median
Today's Exhibit of the Day? A colossal amethyst geode! At ~13 ft (4 m) tall & 9,000 lbs (4,082 kg), it's as heavy as 3 compact cars. Formed 135 million years ago, it started as colorless quartz—becoming purple after millennia of natural radiation, heat, & trace contaminants. https://t.co/IqQ6gIUDRl
- Aug 12, 20263.5x their median
Meet one of the world’s smallest reptiles: the Nosy Hara leaf chameleon! An adult grows to be just over 1 inch (2.5 cm) long, & a juvenile can fit on the head of a match. Scientists think that its miniature size may be an extreme form of island dwarfism. https://t.co/byHKWELNLP
- Jul 3, 20262.4x their median
Did you know? This colorful bird might be one of the Dodo’s closest living relatives! Meet the Nicobar Pigeon, which inhabits forests & mangroves on islands like the Andaman & Nicobar Islands. A gizzard stone in its stomach helps it break down tough foods like seeds & nuts! https://t.co/hsrkK5YfvU
- Jul 28, 20262.4x their median
Have you ever seen the rosy maple moth? Its vibrant color provides camouflage among the fruits of red maple trees. With a wingspan of up to 2 in (5 cm), this silk moth is nocturnal & solitary. It can be found throughout North America. https://t.co/W38ZTXULQA
- Aug 15, 20262.4x their median
The Warren mastodon was discovered in 1845 by a crew digging for peat fuel. Every bone in its skeleton is real—it was the first complete American mastodon skeleton found in the USA and is still one of the most complete mastodon skeletons known. https://t.co/z7isIZxj1V
- Sep 8, 20262.3x their median
Who’s this fuzzy noodle? That would be the long-tailed weasel. North America’s largest weasel, this nocturnal critter feeds on small mammals, insects, and birds. It inhabits the burrows of other species, but it’s also a skilled climber that can often be found in the trees. https://t.co/vvT8UIaZaU
- Sep 1, 20262.1x their median
#OTD in 1914, Martha (the last-known living Passenger Pigeon) died at the Cincinnati Zoo. Her death—at 29 after a lifetime in captivity—marked the disappearance of her once-abundant species from the world & made her name synonymous with species extinction at human hands. https://t.co/zCPBVfHqz3
- Aug 22, 20261.9x their median
This archival image, snapped sometime before 1960, depicts duck-billed dinosaurs on display at the Museum. Also known as hadrosaurs, these massive herbivores were the dominant plant-eaters during the Late Cretaceous ~85 million years ago. https://t.co/ZyujPe6XLe
- Jul 20, 20261.7x their median
On this day in 1969, Apollo 11's Neil Armstrong became the first person to walk on the Moon. The journey was an astounding achievement, & scientific results & specimens gathered by Armstrong & Buzz Aldrin on the surface fueled research long after the mission was over. https://t.co/xoMnM1IVUn
Ranked by total interactions across everything we have tracked for this account, which is a longer history than the 30-day window the rates above use. The multiple compares each post to this account's own median.
Recurring topics
The most frequent hashtags in the sampled posts. They describe what this account writes about; they are not a performance signal, and the catalog-wide breakdown on the hub shows how little hashtag count moves.
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Reading these numbers
A typical post picks up 243 interactions against 470K followers, an engagement rate of 0.052%. Measured over 13 original posts, its engagement rate beats 62% of 15,519 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 7.0K times each, and 3.46% of those impressions turn into an interaction. That is about 1.49% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.43 posts a day over the last 30 days, though only 40% of days saw any activity at all. Most posts go out around 20:00 UTC, and Tuesday is the busiest day of the week. Of the 13 posts sampled, 100% carry an image or video. The account's strongest tracked post pulled 1.1K interactions, about 4.5x its own typical post. Recurring topics include #dyk, #otd.
- What is American Museum of Natural History's engagement rate on X?
- American Museum of Natural History (@AMNH) has an engagement rate of 0.052%, based on the median interactions across 13 original posts from the last 30 days against 470,411 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.052%, American Museum of Natural History sits above the 25th percentile of the 156,596 accounts in this comparison. Those comparison accounts are all large ones, because our scanning cadence is weighted towards big accounts, so this is a ranking among peers of similar scale rather than a ranking across X.
- Does @AMNH have real engagement?
- Its engagement rate beats 62% of the tracked X accounts closest to it in follower count (15,519 accounts), which puts it in the middle of its size range group. Ranking inside a size band matters because engagement rate falls as accounts grow, so a raw rate would mostly re-measure the follower count. It is a starting point for a look at follower quality, not a verdict on it.
- When does @AMNH post?
- Most posts go out around 20:00 UTC, and Tuesday is its busiest day, at roughly 0.43 posts per day across the measured window.