Staff and volunteers attend to a portion nearly 1,000 fancy mice held in glass tanks that were surrendered at the New Hampshire SPCA, Friday, Nov. 15, 2024, in Stratham, N.H. (AP Photo/Charles Krupa)

Adoption coordinator Lexi Giannopoulos cradles one of nearly 1,000 fancy mice that were surrendered at the New Hampshire SPCA, Friday, Nov. 15, 2024, in Stratham, N.H. (AP Photo/Charles Krupa)

Five of nearly 1,000 fancy mice are held in a glass tank, which were surrendered recently by an owner who was overwhelmed by the volume of the multiplying mice, at the New Hampshire SPCA, Friday, Nov. 15, 2024, in Stratham, N.H. (AP Photo/Charles Krupa)

Erica Newton, left, and Emily Sullivan unload hundreds of fancy mice at the New Hampshire SPCA which were surrendered earlier in the day, Friday, Nov. 15, 2024, in Stratham, N.H. (AP Photo/Charles Krupa)

Adoption coordinator Lexi Giannopoulos loads four fancy mice, which were adopted out of nearly 1,000 fancy mice that were surrendered, at the New Hampshire SPCA, Friday, Nov. 15, 2024, in Stratham, N.H. (AP Photo/Charles Krupa)

Grady McKinnon, 2, of Nottingham, N.H. watches fancy mice in glass tanks, which were a portion of nearly 1,000 that surrendered, at the New Hampshire SPCA, Friday, Nov. 15, 2024, in Stratham, N.H. (AP Photo/Charles Krupa)

Adoption coordinator Lexi Giannopoulos tries to get a grasp on a mouse that ran up her arm, which is one of nearly 1,000 fancy mice that were surrendered, at the New Hampshire SPCA, Friday, Nov. 15, 2024, in Stratham, N.H. (AP Photo/Charles Krupa)