Sure, there can be owls in the Batman comics. They might be part of the scenery, symbolic elements, or even have a role in the plot. But it's not a constant presence throughout all Batman comic issues.
Neo noir fiction builds on the foundation of traditional noir but incorporates contemporary issues and technologies. It might have more complex character psychologies and a greater focus on social commentary. For example, it could explore the impact of the digital age on crime and detective work.
Black Noir is black in the comics. The creators have designed the character in such a way to give a specific look and feel, and the black complexion is an integral part of that design.