3 ms·

They seem to think so in this article https://www.wbur.org/hereandnow/2025/10/21/blue-jay-green-jay https://www.wbur.org/hereandnow/2025/10/21/blue-jay-green-ja

• bragr 10mo ago
  They say the exact opposite? >So, you know, it's theoretically possible, but we haven't seen the evidence of that yet.