Niantic releases info about the legendary birds in Pokemon GO beyond Articuno

For those who haven't heard, the recent Pokemon GO festival over in Chicago was...well, apparently calling it a "dumpster fire" is being nice. Because of that trainers now have the opportunity to battle and capture the legendary Pokemon Lugia and Articuno via raids. However, there was some confusion as to how long they'd be around.  Yesterday we were told by Niantic that the bonuses that were obtained at the festival that were going to end last night will now continue through Thursday evening, and today we got an update about the birds.

As trainers are aware, Lugia and Articuno are both available in raids. According to a blog post by Niantic, Articuno will be available through Monday July 31st. When it comes to the other two, Moltres will be released on Monday July 31st and will be available through Monday, August 7th, while Zapdos will be obtainable from Monday August 7th through August 14th. Basically each bird will be available for about a week with Articuno having a couple of extra days since it was released this past Saturday. However, I didn't see anything about how long Lugia would be available or any info on Ho-Oh, Mewtwo, Mew, and Celebii. For more info regarding the legendary birds and how the recent festival went, check out Niantic's blog post.