Fat, the main source of energy for the long-distance flights of migrating birds, is acquired directly from food resources at stopover sites.

"Bicknell's Thrush Catharus bicknelli was discovered in 1881 by Eugene Bicknell in New York's Catskill Mountains, but it was only named a distinct species in 1995."--p. [1].

... Catharus mexicanus cantator Guatemala Black - headed Nightingale - Thrush S Mexico and E Guatemala Griscom , 1930 ... minimus Grey - cheeked Thrush NE Siberia , Alaska and Canada Lafresnaye , 1848 Catharus minimus aliciae Alicia's ...

... Catharus fuscescens , Veery Catharus minimus , Gray - cheeked Thrush Catharus ustulatus , Swainson's Thrush Catharus guttatus , Hermit Thrush Hylocichla mustelina , Wood Thrush Turdus plumbeus , Red - legged Thrush Turdus obscurus , Eye ...