A white-throated woodrat carries a sprig of toxic juniper as it runs among rocks at night. This rat species normally eats several toxic plant species in amounts too small to cause poisoning ...

Spherical White-throated Sparrow won the 2005 Wisconsin Fat Bird Week contest. This photo was taken by Warren Lynn in January of 2014.

A white-throated sparrow, tan-striped morph, eats seed off of the ground. Note the tan stripes on the head and clearly defined white throat.

The "Spherical White-Throated Sparrow" was crowned the winner of Wisconsin Fat Bird Week 2025. (Original photo by: Warren Lynn) The sparrow received 72 percent of the votes cast in the final round.