[header] How to care for northern cricket frogs [title] Make sure it is legal to catch and keep northern cricket frogs in your area. [step] Since these frogs are endangered in some areas of the united states, it may not be a good idea to catch one and take it from its natural habitat. [substeps] Currently, the populations of this species are increasing and stable. 
Make sure you do a search to find out the population levels of this frog in your area, and determine if it is safe and allowed to catch them. Alternatively, you might consider making your own backyard a better environment for the frogs.