Bald eagles fly over the Kansas River near downtown Lawrence, Kan., Thursday, Jan. 18, 2018. The area will celebrate Kaw Valley Eagles Day with events at Free State High School from 8:30 a.m. to 4 p.m. Saturday, Jan. 20.

photo by: Associated Press

A bald eagle flies over the Kansas River at Lawrence, Kan., Thursday, Jan. 18, 2018. The area will celebrate Kaw Valley Eagles Day with events at Free State High School from 8:30 a.m. to 4 p.m. Saturday, Jan. 20. (AP Photo/Orlin Wagner)

photo by: Associated Press

A juvenile and an adult bald eagle spar over a fish along the Kansas River near Lawrence on Thursday, Jan. 18, 2018.

photo by: Orlin Wagner/Associated Press

In this Journal-World file photo, a bald eagle flies off with a fish along the Kansas River near Lawrence on Thursday, Jan. 18, 2018.

photo by: Associated Press

A bald eagle flies around light posts near downtown Lawrence, Kan., Thursday, Jan. 18, 2018. The area will celebrate Kaw Valley Eagles Day with events at Free State High School from 8:30 a.m. to 4 p.m. Saturday, Jan. 20. (AP Photo/Orlin Wagner)

photo by: Associated Press

A bald eagle holds a fish while perched in a tree near Lawrence, Kan., Thursday, Jan. 18, 2018. The area will celebrate Kaw Valley Eagles Day with events at Free State High School from 8:30 a.m. to 4 p.m. Saturday, Jan. 20. (AP Photo/Orlin Wagner)