Most of the birds, like geese, robins, and pigeons, will be fairly easy for kids to spot around their homes or in parks. Some, like puffins and kittiwakes will require a trip to an aquarium or specific areas of North America. The illustrations of the birds are realistic and clear with general identifications markings.
This book is part of a spin-off series from an animated film, the illustrated characters are those from Helen Oxenbury's book, Let's Go on a Bear Hunt, but the family sets out to discover birds instead of bears. Other than the human characters, I'm not sure why this is a "We're Going on a Bear Hunt" book as the text doesn't follow the pattern of that fun action activity, but Let's Discover Birds will get the kids out of the house and looking for birds. Because this is an activity book with stickers and is designed for kids to write and color in, it won't be found in many libraries. Consider it as a gift for a budding birder.
FTC Disclosure: I received a complimentary review copy from the publisher. I receive no compensation for reviewing the book.