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The following is a list of unnamed 22nd century Klingon Birds-of-Prey.

By commander

Duras' escorts

Two Birds-of-Prey escorts

These two Klingon Birds-of-Prey escorted Duras' ship by launching a third attack on Enterprise NX-01 inside the thermobaric clouds of the Delphic Expanse in 2153. This time, Enterprise managed to evade the attack by entering the Expanse, something which Duras was willing to risk, but the other ship captains were not. The two Klingon Birds-of-Prey reluctantly withdraw while Duras continued his attack on Enterprise. (ENT: "The Expanse")

Krell's escort

Krell's escorts

These two Klingon Birds-of-Prey escorted Admiral Krell's D-5-class battle cruiser and took part in the attack on the Qu'Vat Colony in 2154. (ENT: "Divergence")

Enterprise's victim

Attacked by Enterprise

This Klingon Bird-of-Prey was attacked by ISS Enterprise NX-01 prior to 2155. (ENT: "In a Mirror, Darkly", "In a Mirror, Darkly, Part II")

This Bird-of-Prey was seen in the "mirror" title sequence for the two part "In a Mirror, Darkly". Footage of Enterprise attacking Duras' Bird-of-Prey in ENT: "The Expanse" was used to depict this attack.