there really isnt an all-around lens that can do all those things with excellence. there may be some sharp ones, but they have slower autofocus and larger max apertures. it seems like you'd want something on the longer side of things, so a wide zoom isnt necessary. Faster lenses are worth investing in though, as they will get you both the shutter speeds and the shallow depth of field you may want. As far as overall stuff, I'd suggest the tamron 28-75 2.8 lens. it's quite good, many photogs i know of actually sold their 24-70L and bought this one to use in it's place. That lens will work great for the animal portraits part of your shooting. unfortunately, there arent any lenses that are all inclusive with your types of shooting that are very good. you could buy an 28-200 or so range lens, but you'd lose shutter speed because they usually need to be stopped down one or two stops to get good sharpness. also, wildlife and macro usually require specific lenses (USUALLY). if you want true macro, you'll have to buy a 1:1 macro lens, and if you want to get close enough to the 'action' in wildlife shots, you'll need a long lens, and most likely a prime, because it is much cheaper to get a fast sharp prime than a fast sharp zoom. just a couple things to think about.
there is one lens that i could think of that roughly meets all of these (although not macro specifically) requirements, and that's sigma's 50-500 f4-6.3 . From what I've heard it's a great lens. I believe some of the users here have them actually. they run for around $900 i think. It's faster, sharper little brother, the 100-300 f4 is also a terrific one. that ones you can get for about $800 depending on where you look.
if you want shallow depth of field also, consider the 50mm 1.8. you can get it for around 80 bucks (!) and it's a great little lens.
this stuff really adds up, i know (sure is a shame, huh?

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a budget alternative is something in the 28-200 range. just make sure to look at reviews before you buy. check fredmiranda.com and photographyreview.com for reviews.