The better you understand how your camera's and lenses work, the more effectively you can use them.
Gone is the traditional darkroom, film, and chemicals; in it's place is software and computers.
Purpose built photo-gear is expensive, but with a little time and ingenuity you can build functionally equivalent solutions in your home or studio.
Photography is about light. Learn how to bend it to your will.
Short reference guides for techniques and procedures that I find useful.
There's always a better way to do things, when I find them I'll share them here.
If it has to do with video and I've covered it, it'll be here. Pre production, post production, shooting, sets, lighting, software, it doesn't matter.
The study of behavior, and to some degree biology, are necessary aids for wildlife photography.