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Master Birder Urling Kingery shows the group specific birds that they hear while as they walk on the Walk the Wetlands tour at the Kingery Nature Center on Dec. 1, 2024, in Littleton. (Photo by Helen H. Richardson/The Denver Post)

Master Birder Jordan Gerue, right, carries a scope to set up to see birds at close range with his birding group as they walk on the Walk the Wetlands tour at the Kingery Nature Center on Dec. 1, 2024, in Littleton. (Photo by Helen H. Richardson/The Denver Post)

Master Birder Jordan Gerue, center, sets up a scope to see birds at close range with his birding group as they walk on the Walk the Wetlands tour at the Kingery Nature Center on Dec. 1, 2024, in Littleton. (Photo by Helen H. Richardson/The Denver Post)

Birders Jon Mikkelson, in back, and Kelly Bockert look more closely at birds through their binoculars as they walk on the Walk the Wetlands tour at the Kingery Nature Center on Dec. 1, 2024, in Littleton. (Photo by Helen H. Richardson/The Denver Post)

A Black-capped Chickadee is seen on a branch along the South Platte River during the Walk the Wetlands tour at the Kingery Nature Center on Dec. 1, 2024, in Littleton. (Photo by Helen H. Richardson/The Denver Post)

Male and female Mallard ducks are seen feeding and floating along the South Platte River during the Walk the Wetlands tour at the Kingery Nature Center on Dec. 1, 2024, in Littleton. (Photo by Helen H. Richardson/The Denver Post)

Master Birder Jordan Gerue, left, helps identify birds along the South Platte River for his group as they walk on the Walk the Wetlands tour at the Kingery Nature Center on Dec. 1, 2024, in Littleton. (Photo by Helen H. Richardson/The Denver Post)

Master Birder Jordan Gerue, right, sets up a scope to see birds at close range for birder Sharon Tanaka, center, during their walk on the Walk the Wetlands tour at the Kingery Nature Center on Dec. 1, 2024, in Littleton. (Photo by Helen H. Richardson/The Denver Post)

Master Birder Jordan Gerue, left, carries a scope to set up to see birds at close range with his birding group as they walk on the Walk the Wetlands tour at the Kingery Nature Center on Dec. 1, 2024, in Littleton. (Photo by Helen H. Richardson/The Denver Post)

Master Birder Urling Kingery shows the group specific birds that they hear while as they walk on the Walk the Wetlands tour at the Kingery Nature Center on Dec. 1, 2024, in Littleton. (Photo by Helen H. Richardson/The Denver Post)

Birders Jon Mikkelson, in front and his wife Kelly Bockert, center, look more closely at birds through their binoculars as they walk on the Walk the Wetlands tour at the Kingery Nature Center on Dec. 1, 2024, in Littleton. (Photo by Helen H. Richardson/The Denver Post)

Canada Geese float together on a lake during the Walk the Wetlands tour at the Kingery Nature Center on Dec. 1, 2024, in Littleton. (Photo by Helen H. Richardson/The Denver Post)

A Bald Eagle sits high up in a tree along the banks of the South Platte River during the Walk the Wetlands tour at the Kingery Nature Center on Dec. 1, 2024, in Littleton. (Photo by Helen H. Richardson/The Denver Post)

Gadwall ducks float together on a lake during the Walk the Wetlands tour at the Kingery Nature Center on Dec. 1, 2024, in Littleton. (Photo by Helen H. Richardson/The Denver Post)