The “heeler” part of their name is a reference to the dog’s herding technique, in which they weave in and out of the legs of the livestock, nipping at their heels to direct and correct them.

A Texas rescue group says a dog they rescued is alive after being euthanized. According to Fox 7, Valor, a 3-year-old blue heeler mix, was given euthanasia drugs and dumped, but somehow woke up.

A Texas rescue group says a dog they rescued is alive after being euthanized. According to Fox 7, Valor, a 3-year-old blue heeler mix, was given euthanasia drugs and dumped, but somehow woke up.

A Texas rescue group says a dog they rescued is alive after being euthanized. According to Fox 7, Valor, a 3-year-old blue heeler mix, was given euthanasia drugs and dumped, but somehow woke up.

A Texas rescue group says a dog they rescued is alive after being euthanized. According to Fox 7, Valor, a 3-year-old blue heeler mix, was given euthanasia drugs and dumped, but somehow woke up.

A Texas rescue group says a dog they rescued is alive after being euthanized. According to Fox 7, Valor, a 3-year-old blue heeler mix, was given euthanasia drugs and dumped, but somehow woke up.

A Texas rescue group says a dog they rescued is alive after being euthanized. According to Fox 7, Valor, a 3-year-old blue heeler mix, was given euthanasia drugs and dumped, but somehow woke up.

A Texas rescue group says a dog they rescued is alive after being euthanized. According to Fox 7, Valor, a 3-year-old blue heeler mix, was given euthanasia drugs and dumped, but somehow woke up.