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ESA001-00243

Red knot (Calidris canutus), a candidate species for listing due to a rapid decline in population. The bird is dependent on one food during it’s northward migration: horseshoe crab eggs. Overfishing of the crabs has led a dramatic the decline of both knots and crabs. This bird was captured as part of a banding study by the Delaware Bay Shorebird Project.

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ESA001-00244

Red knot (Calidris canutus), a candidate species for listing due to a rapid decline in population. The bird is dependent on one food during it’s northward migration: horseshoe crab eggs. Overfishing of the crabs has led a dramatic the decline of both knots and crabs. This bird was captured as part of a banding study by the Delaware Bay Shorebird Project.

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ESA001-00245

Red knot (Calidris canutus), a candidate species for listing due to a rapid decline in population. The bird is dependent on one food during it’s northward migration: horseshoe crab eggs. Overfishing of the crabs has led a dramatic the decline of both knots and crabs. This bird was captured as part of a banding study by the Delaware Bay Shorebird Project.

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ESA001-00246

Masked bobwhite quail (Colinus virginianus ridgwayi), an endangered (IUCN) and federally endangered species, at the Phoenix Zoo.

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ESA001-00247

Masked bobwhite quail (Colinus virginianus ridgwayi), an endangered (IUCN) and federally endangered species, at the Phoenix Zoo.

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ESA001-00248

Masked bobwhite quail (Colinus virginianus ridgwayi), an endangered (IUCN) and federally endangered species, at the Phoenix Zoo.

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ESA001-00249

Masked bobwhite quail (Colinus virginianus ridgwayi), an endangered (IUCN) and federally endangered species, at the Phoenix Zoo.

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ESA001-00250

Masked bobwhite quail (Colinus virginianus ridgwayi), an endangered (IUCN) and federally endangered species, at the Phoenix Zoo.

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ESA001-00251

Masked bobwhite quail (Colinus virginianus ridgwayi), an endangered (IUCN) and federally endangered species, at the Phoenix Zoo.

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ESA001-00238

Red knot (Calidris canutus), a candidate species for listing due to a rapid decline in population. The bird is dependent on one food during it’s northward migration: horseshoe crab eggs. Overfishing of the crabs has led a dramatic the decline of both knots and crabs. This bird was captured as part of a banding study by the Delaware Bay Shorebird Project.

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ESA001-00239

Red knot (Calidris canutus), a candidate species for listing due to a rapid decline in population. The bird is dependent on one food during it’s northward migration: horseshoe crab eggs. Overfishing of the crabs has led a dramatic the decline of both knots and crabs. This bird was captured as part of a banding study by the Delaware Bay Shorebird Project.

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ESA001-00240

Red knot (Calidris canutus), a candidate species for listing due to a rapid decline in population. The bird is dependent on one food during it’s northward migration: horseshoe crab eggs. Overfishing of the crabs has led a dramatic the decline of both knots and crabs. This bird was captured as part of a banding study by the Delaware Bay Shorebird Project.

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ESA001-00241

Red knot (Calidris canutus), a candidate species for listing due to a rapid decline in population. The bird is dependent on one food during it’s northward migration: horseshoe crab eggs. Overfishing of the crabs has led a dramatic the decline of both knots and crabs. This bird was captured as part of a banding study by the Delaware Bay Shorebird Project.

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ESA001-00242

Red knot (Calidris canutus), a candidate species for listing due to a rapid decline in population. The bird is dependent on one food during it’s northward migration: horseshoe crab eggs. Overfishing of the crabs has led a dramatic the decline of both knots and crabs. This bird was captured as part of a banding study by the Delaware Bay Shorebird Project.

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ESA001-00235

Red knot (Calidris canutus), a candidate species for listing due to a rapid decline in population. The bird is dependent on one food during it’s northward migration: horseshoe crab eggs. Overfishing of the crabs has led a dramatic the decline of both knots and crabs. This bird was captured as part of a banding study by the Delaware Bay Shorebird Project.

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ESA001-00236

Red knot (Calidris canutus), a candidate species for listing due to a rapid decline in population. The bird is dependent on one food during it’s northward migration: horseshoe crab eggs. Overfishing of the crabs has led a dramatic the decline of both knots and crabs. This bird was captured as part of a banding study by the Delaware Bay Shorebird Project.

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ESA001-00237

Red knot (Calidris canutus), a candidate species for listing due to a rapid decline in population. The bird is dependent on one food during it’s northward migration: horseshoe crab eggs. Overfishing of the crabs has led a dramatic the decline of both knots and crabs. This bird was captured as part of a banding study by the Delaware Bay Shorebird Project.

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ESA001-00187

Red knot (Calidris canutus ssp. rufa), a candidate species for listing due to a rapid decline in population. The bird is dependent on one food during it’s northward migration: horseshoe crab eggs. Overfishing of the crabs has led a dramatic the decline of both knots and crabs. This bird was captured as part of a banding study by the Delaware Bay Shorebird Project.

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ESA001-00199

Chiricahua leopard frog (Lithobates chiricahuensis), a vulnerable (IUCN) and federally threatened species, at the Phoenix Zoo.

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ESA001-00200

Chiricahua leopard frog (Lithobates chiricahuensis), a vulnerable (IUCN) and federally threatened species, at the Phoenix Zoo.

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ESA001-00201

Chiricahua leopard frog (Lithobates chiricahuensis), a vulnerable (IUCN) and federally threatened species, at the Phoenix Zoo.

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ESA001-00202

Chiricahua leopard frog (Lithobates chiricahuensis), a vulnerable (IUCN) and federally threatened species, at the Phoenix Zoo.

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ESA001-00203

Chiricahua leopard frog (Lithobates chiricahuensis), a vulnerable (IUCN) and federally threatened species, at the Phoenix Zoo.

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ESA001-00204

Chiricahua leopard frog (Lithobates chiricahuensis), a vulnerable (IUCN) and federally threatened species, at the Phoenix Zoo.

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ESA001-00223

Endangered (IUCN) and federally endangered group of juvenile pink mucket mussels (Lampsilis abrupta). These mussels are four months old, and are from the Osage River in Missouri. They’re part of a captive rearing project at the Missouri State University.

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ESA001-00205

Chiricahua leopard frog (Lithobates chiricahuensis), a vulnerable (IUCN) and federally threatened species, at the Phoenix Zoo.

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ESA001-00206

Chiricahua leopard frog (Lithobates chiricahuensis), a vulnerable (IUCN) and federally threatened species, at the Phoenix Zoo.

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ESA001-00207

Chiricahua leopard frog (Lithobates chiricahuensis), a vulnerable (IUCN) and federally threatened species, at the Phoenix Zoo.

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ESA001-00208

Chiricahua leopard frog (Lithobates chiricahuensis), a vulnerable (IUCN) and federally threatened species, at the Phoenix Zoo.

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ESA001-00186

Red knot (Calidris canutus ssp. rufa), a candidate species for listing due to a rapid decline in population. The bird is dependent on one food during it’s northward migration: horseshoe crab eggs. Overfishing of the crabs has led a dramatic the decline of both knots and crabs. This bird was captured as part of a banding study by the Delaware Bay Shorebird Project.

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ESA001-00171

A vulnerable (IUCN) and federally endangered Red-Cockaded woodpecker (Picoides borealis) at the North Carolina Zoo.

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