Can Ahrefs Detect Bing Traffic or Not?

I have one website which getting 1k+ daily visitor 90% from bing and 10% from google So, ahrefs showing me only 91 organic traffic while i search. why?

They not tracking all the niche. Might be some of the off niche. If you add your website then it would gradually reflect right numbers

In an official course from Ahrefs they did last year, they commented that the traffic in ahrefs is inferred from the data provided by Google Ads API + some third party tools that give some external traffic data, and they cross the information to get estimations from
a) The number of keywords that they have detected ranking in Google
b) The position for this keywords and a formula of traffic in relation with the position (< top 10 ~ 0 visits)

Since start of 2019, despite they introduced the bing kw analyzer, I won't be 100% sure if they have integrated for the domain estimations. They should, but not even sure, because its not even featured under the domain stats.

So from your suggestion Ahrefs might be only be showing that 10% estimate from Google kw searches with a rough estimation from other sources, not taking into account bing searches

I dont think it has anything to do with tracking bing or google traffic referral. Personally i believe it about ahref crawlers, how often the site gets linked to another ranked site and how often crawlers crawl the same site