Michael Durham / A three year old boy with a Pacific Tree Frog (Pseudacris regilla)
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Michael Durham / Pacific Chorus Frog (Pseudacris regilla) jumping into pond, Oregon
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Cyril Ruoso / Pacific tree frog (Pseudacris regilla) male calling with vocal sac inflated, Conboy Lake National Wildlife Refuge, Washington, USA. March.
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Cyril Ruoso / Pacific tree frog (Pseudacris regilla) male calling with vocal sac inflated, Conboy Lake National Wildlife Refuge, Washington, USA. March.
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Cyril Ruoso / Pacific tree frog (Pseudacris regilla) male calling with vocal sac inflated, Conboy Lake National Wildlife Refuge, Washington, USA. March.
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Cyril Ruoso / Pacific tree frog (Pseudacris regilla) male calling with vocal sac inflated, Conboy Lake National Wildlife Refuge, Washington, USA. March.
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Cyril Ruoso / Pacific tree frog (Pseudacris regilla) next to reeds at twilight, Conboy Lake National Wildlife Refuge, Washington, USA. March.
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James Christensen / Pacific Chorus Frog (Pseudacris regilla) female hiding in creek bed, Eagle Cap Wilderness, Oregon
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Chris Mattison / Pacific Tree Frog or Pacific Chorus Frog (Pseudacris regilla) Golden Bluffs, California, USA, April.
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Donald M. Jones / Pacific Tree Frog (Hyla regilla), northwestern Montana
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Donald M. Jones / Pacific Tree Frog (Hyla regilla) hiding in Ponderosa Pine (Pinus ponderosa) tree bark, western Montana
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Cyril Ruoso / Pacific Chorus Frog (Pseudacris regilla) male calling, Conboy Lake National Wildlife Refuge, Washington