This Zookeeper Week, we shadowed Hannah and Armando, two zookeepers at Northwest Trek Wildlife Park. Hannah and Armando are raising 260 endangered Northern leopard frogs from egg to froglet stage, until they can be released back into the Washington wild to boost the native population. Due to habitat loss, disease, pollution, climate change and invasive predators like bullfrogs, Northern leopard frogs are close to extinct in Washington and Oregon. Now, there’s just one place in Washington where they’re found: the Potholes Reservoir in the Columbia Basin Wildlife Area. Later this summer, the frogs will leave Northwest Trek and be released …