Microsoft is testing showing larger favicons in the Bing Search results. The favicons look a lot larger in this test, here are side by side comparisons so you can see yourself.

Here is what I see, the normal smaller favicons:

Here is what Khushal Bherwani posted on Twitter:

Frank Sandtmann also noticed this and posted about it on Mastodon. There is also this new style which animates as well:

I am not sure I like the larger favicons. Although, we know Google also tested larger favicons not too long ago.

Forum discussion at Twitter.