Aythya collaris x affinis Status: Rare casual spring migrant. Record: There are six records. 10 Mar 2022 Lake Ogallala, Keith Co (Mlodinow, eBird.org) 13-14 Mar 2023 North Platte, Lincoln Co (Manning, eBird.org) 21 Mar 2023 Lake McConaughy, Keith Co (Mlodinow, eBird.org) 1 Apr 2021 Gavin’s Point Dam in Knox Co (Strand, eBird.org) 7-26 Apr 2023 […]