Eminent bird expert and author Jon Dunn will highlight key differences between similar waterfowl species in his slide presentation April 12. Submitted photoInternationally renowned bird expert Jon Dunn, a prolific author or co-author of numerous publications about birds, will be the featured speaker at the April program of the Yosemite Area Audubon Society in Mariposa.
An acclaimed authority on bird identification and distribution, Dunn will present a slide program, “In Praise of Difficult Ducks...
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