Also known as Sierra Nevada Beer Camp 027: Brewers 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 wasnt 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: Brewers 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.