Rating: 
Summary: Excellent guide.
Review: As a beginner bird-watcher, I was looking for a field guide that was easy to understand and contained plenty of information about the habits of birds. This book certainly meets those criteria. It is easy to read and understand, and contains lots of helpful information. It is also beautifully and accurately illustrated, making it easy to identify birds by sight. I would recommend this book to anyone, beginner or advanced, who is interested in observing birds in eastern North America. This guide has something for everyone.
Rating:
Summary: The Best of Birding Field Guides! Not just for East Coast..
Review: I bought this book because I live in the Northeast. However, I was surprised to discover that this edition actually has most species of birds, including those that live in the West or South, with ranges through and including Mexico. This was a wonderful surprise as I actually travel quite a bit, so I don't have to buy additional editions of Sibley's bird books. As to the content of Sibley's guide, there is none better. His illustrations are outstanding, and descriptions are just wonderful. He describes ranges, eating habits, whether the bird tends to be solitary or fly in groups (flocks), nesting, coloration, etc. Best of all, I really like how he shows the bird in a multitude of positions, from standing to flight, so that if you saw a glint of the bird in a different point of view, you can still identify it using this guide. Top ratings.
Rating:
Summary: The Best of Birding Field Guides! Not just for East Coast..
Review: I bought this book because I live in the Northeast. However, I was surprised to discover that this edition actually has most species of birds, including those that live in the West or South, with ranges through and including Mexico. This was a wonderful surprise as I actually travel quite a bit, so I don't have to buy additional editions of Sibley's bird books. As to the content of Sibley's guide, there is none better. His illustrations are outstanding, and descriptions are just wonderful. He describes ranges, eating habits, whether the bird tends to be solitary or fly in groups (flocks), nesting, coloration, etc. Best of all, I really like how he shows the bird in a multitude of positions, from standing to flight, so that if you saw a glint of the bird in a different point of view, you can still identify it using this guide. Top ratings.
Rating:
Summary: the best guide I've used
Review: I own Sibley's larger guide, his "birding basics", and his guide to behaviour. I adore his plain, honest writing style, and his amateur-scientific approach. Not to say that Sibley, one of the big shots in the birding world, is an amateur -- just that he knows what the serious student needs and wants. His paintings are amazingly accurate (and beautiful -- I wish you could buy offsets.) I've made tentative identifications (later more solidly confirmed) just based on, say, the density of stippling or the exact extent of a faint color wash. Even in the small-size guide, he includes helpful "in flight" sketches, notations about wing motion, and anything else that might be helpful. His notations next to each species are fantastic. In addition to voice, they cover some identification problems (easily confused species, variable plumage, marks that are appear obvious in pictures but are hard to see in the field), some remarks on habitat and behaviour (especially when it helps identification), and some hints for identification that you might not pick up on at first. Subspecies and crossovers are depicted when necessary. There are a lot of field guides that rely on photographs; Sibley's work will instantly convert you to drawings. They present the "idealized" bird; you can compare your rugged, flea-bitten specimen to the text and learn a lot more than just its name. As a scientist myself, I appriciate Sibley's cautious approach to identification, as well as his ability to quickly synthesise what is know about a population even when it doesn't admit of a quick one-liner. Sibley jumps right in and uses the ornithological terms for plumage patterns; I would have appriciated having the non-passerines diagrammed on the back inside cover (instead of in his excellent introduction, and in place of a rather superfluous map of North America) for easier reference, but that's a minor quibble. This is not a guide you easily outgrow. My one last complaint is that the pages and binding are a little stiff and seem to have resisted "thumbing in" even after many months of use!
Rating:
Summary: the best guide I've used
Review: I own Sibley's larger guide, his "birding basics", and his guide to behaviour. I adore his plain, honest writing style, and his amateur-scientific approach. Not to say that Sibley, one of the big shots in the birding world, is an amateur -- just that he knows what the serious student needs and wants. His paintings are amazingly accurate (and beautiful -- I wish you could buy offsets.) I've made tentative identifications (later more solidly confirmed) just based on, say, the density of stippling or the exact extent of a faint color wash. Even in the small-size guide, he includes helpful "in flight" sketches, notations about wing motion, and anything else that might be helpful. His notations next to each species are fantastic. In addition to voice, they cover some identification problems (easily confused species, variable plumage, marks that are appear obvious in pictures but are hard to see in the field), some remarks on habitat and behaviour (especially when it helps identification), and some hints for identification that you might not pick up on at first. Subspecies and crossovers are depicted when necessary. There are a lot of field guides that rely on photographs; Sibley's work will instantly convert you to drawings. They present the "idealized" bird; you can compare your rugged, flea-bitten specimen to the text and learn a lot more than just its name. As a scientist myself, I appriciate Sibley's cautious approach to identification, as well as his ability to quickly synthesise what is know about a population even when it doesn't admit of a quick one-liner. Sibley jumps right in and uses the ornithological terms for plumage patterns; I would have appriciated having the non-passerines diagrammed on the back inside cover (instead of in his excellent introduction, and in place of a rather superfluous map of North America) for easier reference, but that's a minor quibble. This is not a guide you easily outgrow. My one last complaint is that the pages and binding are a little stiff and seem to have resisted "thumbing in" even after many months of use!
Rating:
Summary: Be careful where you start
Review: I, like a couple of the other reviewers here, have all of Sibley's books. I like and use them, but I would urge anyone about to start birding to take the time and look at copies of Peterson, Audubon, Stokes, National Geo, all before you choose Sibley.
Sibley meets my needs. My wife, who is a professional Wildlife Biologist, would not touch anything but Peterson. Neither of us care for any of the other ones. But, since the other ones sell, they must meet someone's needs, maybe yours.
What I have found, is you tend to think and learn in terms of the field guide you are used to. Make sure you can handle the guide's organization and approach. Understand that Sibley's information format is more free-form than some of the others. I don't mind reading for the details, you might.
Rating:
Summary: I have most of them, but really only use this one
Review: The Sibley book is the only guide I really use anymore. It just seems every time I find a tough bird to ID the sibley book is the one that makes my mind up. The drawings are almost caricatures of the birds, really accentuating what you need to pick out. The Nat. Geo book is good (more artistic drawings) and I keep my official tally in it, but when I go out walking around I take sibley. It also fits in your back pocket While Nat. geo. (Other Favorite) Doesnt. Peterson Guide I'm not a huge fan of. Flipping around to find the Range map, That bugs me.
Rating:
Summary: Best field size guide ever.
Review: The Sibley Guide to Birds, as most mention, is a great guide but too heavy to tote into the field...this field guide solves that problem. Yes, the illustrations are smaller, but just as useable. Yes, some of the illustrations in the original guide have been deleted, but the guide you take with is better than the one at home. (You should have the original at home anyway!) I find that the addition of Status, Habitat and Behavior in the text more than makes up for fewer illustrations. Well made and sturdy...buy it!
Rating:
Summary: Excellent field guide
Review: This field guide is a nice size that's easy to carry around, has multiple drawn pictures of each bird as well as a short text and range map for each - The text generally starts out with saying if the bird is common or not and then goes into where they nest, winter etc. It talks about the typical foods, if they're solitary or not. One thing I like too is that it often tells if the bird is native or non-native to the US which I find particularly interesting. Voice/song is also discussed in the text. Excellent reference book. I keep one in the house and one in the car. Highly recommended!
Rating: 
Summary: A good field guide for visual identification.
Review: This is a good field guide, and the drawings of different birds are nice. I especially like the fact that there are, very often, drawings of juvenile birds alongside the drawings of the adults, and there are usually drawings of both male and female adults. However, the listings for each type of bird are rather short and don't offer much detail. This book is good for visual identification of different birds, but I'll have to stick to other books if I want a more in-depth look at behavior, breeding and nesting habits, etc.
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