Accompanying text provides tips on how to identify each owl, including how they differ from other similar owls, as well as their calls and vocalizations. The ability to see similar owl species in side by side comparison is the key to your ID success, and this guide allows that to happen due to the fold-able panels.
Nine species of nighthawks and night-jars are also shown at the end of this guide, with multiple photos showing nighthawks in flight for ID comparison. All night-jars found in North America are also shown here, with text explaining how each differs from
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