Also known as Sierra Nevada Beer Camp 027: Brewer's Blackbird Black IPA
Commercial description
Brewed in conjunction with Patrick Donagher of Rattle n’ Hum bar in New York City, this Black IPA contains three different New Zealand hops, and if that wasn’t enough, it was "torpedoed" with a fourth. The final creation is a dark roasty creature filed with the wonderful textures, flavors, and eccentricities of these amazing hops.
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Sierra Nevada Beer Camp 027: Brewer's Blackbird Black IPA

The brewer markets this same or near-same product by more than one names. This can be the result of a brewer distributing this beer under different names in different countries, or the brewer simply changing the name, but not the recipe at different points in time.