Evolution in Spatial Tracking of Bicknell’s Thrush
In VCE’s 30+ years of Bicknell’s Thrush (BITH) research, we’ve used many different methods to unlock the species’ ecological secrets….
Tags Keep Coming on Mansfield, and from Quebec
VCE’s ground-breaking study of GPS-tagged Bicknell’s Thrush yielded more exciting results on 14-15 June, with the recovery of an additional 5 backpacks from Mt. Mansfield, and the addition of 3 tags retrieved in Quebec.
Backpacking Thrushes Return to Mansfield
VCE’s first Mansfield banding session of 2022 exceeded all expectations, as we recovered 5 of 36 GPS tags that we affixed to adult Bicknell’s Thrush last summer. Preliminary data from these birds–all males–show that 4 individuals overwintered in the Dominican Republic, 1 on Cuba, and that 3 birds undertook early spring movements of 25-185 km prior to northward migration.
Kinglets Rain on Mansfield Ridgeline as VCE Wraps Season #30
Tiny feathered gems–Ruby-crowned and Golden-crowned Kinglets–filled VCE’s mist nets and ushered in the autumnal equinox on Mt. Mansfield to conclude our 30th field season on the ridgeline. Among 222 birds captured and banded over 3 days, kinglets accounted for 101, but they weren’t the only notable migrants we encountered.
Non-locals Light Up VCE Nets on Mansfield
VCE’s final summer banding session on Mt. Mansfield featured a striking–and puzzling–absence of locally-breeding birds but a strong showing by non-local warblers and our first-ever Northern Flicker.
A Deluge of Juncos and a Surprise Boreal Visitor on Mansfield
Week 7 of VCE’s 2021 banding season on Mt. Mansfield featured a plethora of juvenile juncos and an unexpected, dapper male Bay-breasted Warbler.
Seasonal Changes Emerging on Mt. Mansfield
Free-flying juveniles. Molting adults. Regressing brood patches. Subdued, sporadic song. Seasonal changes that signal summer’s inevitable transition were in evidence during VCE’s Week 6 banding session on Mt. Mansfield.
A Bicknell’s Thrush Storm on Mansfield
Mansfield’s breeding birds proved far hardier than the ornithologists studying them during VCE’s Week 4 banding session on Mt. Mansfield. Despite challenging weather, mist captures were solid, and Bicknell’s Thrushes dominated, with a single-visit record of 17 individuals.
Mansfield Ridgeline Quiet During VCE Week 3 Visit
VCE’s third banding session of 2021 on Mt. Mansfield was quieter than normal for mid-June, but featured a veteran female Bicknell’s Thrush (possibly the oldest on record) and a feisty Sharp-shinned Hawk.
A Veteran Bicknell’s Thrush Helps Launch New VCE Study
VCE’s second 2021 banding session on Mt. Mansfield netted a record-tying veteran 11 year-old Bicknell’s Thrush, who now wears a tiny GPS tag that will help elucidate late winter, pre-migratory movements on the species’ Caribbean wintering grounds.
