Blind sled dog aided by brother

Sled dogs Poncho, left, and his blind brother Gonzo are hooked up for a run at the Muddy Paw Sled Dog Kennel, in Jefferson, N.H on Jan. 17, 2013. Poncho has taken to helping his blind brother on regular runs.

Gonzo, a blind sled dog, and his brother and guide Poncho, run together at the Muddy Paw Sled Dog Kennel in Jefferson, N.H. The kennel takes in rescues and "second-chance" dogs.

One of the 120 dogs from Muddy Paw Sled dog Kennel in Jefferson, N.H. is shown in a picture from Jan. 17, 2013.

A group of sled dogs from the Muddy Paw Sled Dog Kennel runs a trail in Jefferson, N.H on Jan. 17, 2013.

Ben Morehouse, a kennel manager, at the Muddy Paw Sled dog Kennel in Jefferson, N.H. on Jan. 17, 2013. The kennel takes in rescues and "second-chance" dogs.

Sled dogs at the Muddy Paw Sled dog Kennel in Jefferson, N.H. on Jan. 17, 2013.

Gonzo, a blind sled dog, throws his head to the wind as part of a team of dog taking riders through the snows of New Hampshire.

Ben Morehouse guides a team of sled dogs, including a blind dog Gonzo and his brother Poncho through a field below the Presidential Range in the White Mountains in Jefferson, N.H. on Jan. 17, 2013.

Kennel owner Neil Beaulieu at the Muddy Paw Sled dog Kennel in Jefferson, N.H. on Jan. 17, 2013.

Sled dogs at the Muddy Paw Sled dog Kennel in Jefferson, N.H. on Jan. 17, 2013.

Kennel owner Neil Beaulieu at the Muddy Paw Sled dog Kennel in Jefferson, N.H. on Jan. 17, 2013.