It is, yes.

[Beware, Emporio. You have activated Goro Akechi's stop secret, nostalgic interest.]

The Featherman franchise dates back to the late 80's, and it's gone through many iterations over the years. It's one of those brands that always reinvents itself to keep with the times, even crossing over with other sentai series on occasion.

[An image of masked heroes accompanies his thoughts.]

Of course, birds are the main motif, regardless of era. Though the exact birds and colors may vary, that much remains consistent.