Okay so I need help with the identification of some toads.

Info About Toads:
-Caught in Southwest Texas close Mexico.
-Have been in captivity for a week now.
-I have been feeding them crickets a lot so there like fat always keep em full (all-you-can-eat).

Observations:
-They don't make no noise
-Go underground in the daytime and sleep
-Wake-up LIVELY around 9:00pm

My Hypothesis: They are Bufo alvarius spices.

But I'm new to this so I would rather hear a professional opinions on my baby toads please look at my pictures and comment on what you think!
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