yes to tripod
what is IS? sorry thicko here
yes I can set auto ISO on here
Image Stabilisation = anti shake thingy on Canon lenses
Ok my typical settings for bird photography:
Auto ISO
Shutter Priority - minimum 1/250 sec - 1/500 for perched birds to eliminate blur from subject movement (assumes that you are on a tripod).
Spot Metering (not pattern or evaluative) you want to expose a small area of the frame, the aim is to expose the bird correctly rather than average out the whole scene (a fair bit of which ends up cropped out anyway).
White Balance - "Sunny" unless really dark grey cloud then use Cloudy, I never use auto white balance, and if you are outside it is sunlight that is the light source.
Make sure the Sun is behind you coming over your shoulder, or just off to one side of you.
Getting the light right is probably the most important consideration, it will make a lot of difference to any photograph no matter what genre.
Your shot of the Blackbird is underexposed, at the shutter speed used ISO would have needed to be up around ISO800. Having the camera set to Auto ISO will sort this out for you.
You can still control the ISO if it starts to get too high by slowing down the shutter speed.
Try that lot, and practice, I did not produce images like the ones I post on here when I first started.
Good luck