On eBird I was able to find Cassiar by clicking on "Add species" and searching for sub-species of Dark-eyed Junco.

Hank Heiberg
Lake Joy
Carnation, WA
hankdotheibergatyahoodotcom

Sent from my iPad

> On Feb 6, 2014, at 4:35 PM, Randy Robinson <rwr.personal at gmail.com> wrote:
>
> Sibley does not call it "Cassiar" but he has a picture of the bird in both the book and the phone app. He refers to it as a Canadian Rockies variant of Slate-colored.
>
> Randy Robinson
> Seattle, WA
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