The more luxury blends of grass seed, containing no rye grass, will be abit nicer looking, but wont be as hard wearing as a basic utility seed.
Personally I would just get a utilty blend, just as good (unless you want a bowling green) , cheaper, more hard wearing. Although if the area is shady or low water I believe the more lux types are more reliable as they grow slower needing less water, light etc.
Like ftb said just make sure you have a fine tilth on the soil, sprinkle the seed on and roll it in. Ive done alot of seeding and never really had any trouble with birds, ive seen di