Project:

Selva Colombia (#57)
Short name: Selva
Short description: 1) Winter habitat use of Canada Warbler and Swainson's Thrush.
2) Stopover ecology and carry-over effects in migratory landbirds in Colombia.
Description: 1) Winter habitat use of Canada Warbler and Swainson's Thrush.

Ana Maria Gonzalez
Dr. Nick Bayly
Dr. Keith Hobson

2)Landscape use and continental movement patterns of Gray-cheeked Thrush:
The duration of migration is mostly determined by the length of stopovers made between the site of origin and that of final destination. However, stopover sites are unfamiliar places full of risks for birds. This means that bird behavior at these sites is critical to detemrine whether individuals succeed on to the next stage of migration. Current technology allows to obtain both, fine-scale movement data at a local scale, as well as to follow the movements of birds across continents. We will integrate behavioral data with remote tracking to understand how birds choose between habitats in a landscape matrix, how long they spend fuelling and if this varies in individuals of different age or sex. Furthermore, we hope that the MOTUS continental alliance, through its network of radio towers, will provide precise information about the duration of migration and migratory routes of this and other species.

Dr. Camila Gomez
Dr. Nick Bayly
Dr. Keith Hobson
Dr. Daniel Cadena

3) Stopover ecology of migratory landbirds in the Caribbean tropical dry forests of Colombia
In 2016, occupancy surveys carried out under the Neotropical Flyways Project identified tropical dry forests as a key stopover habitat during spring migration for a range of species that over-winter elsewhere in South America. This previously unknown role of these forests in maintaining migratory processes, highlights the need for increasing our knowledge of how birds use these areas. This need is even more critical given that tropical dry forests have lost 92% of their original cover in Colombia and are used by declining migrants such as Yellow-billed Cuckoo, Alder Flycatcher and Mourning Warbler. The deployment of Motus tags in this project will enable the estimation of key parameters of stopover behavior, such as duration, as well as describe onward migratory strategies.

Dr. Nick Bayly
Dr. Keith Hobson
Dr. Ken Rosenberg
Ana María Gonzalez

4) Pre-migratory fueling in Colombia and spring migration strategies in Blackpoll Warbler
Blackpoll Warbler are known for remarkable endurance flights over the Atlantic Ocean during fall migration but their spring migration strategy is largely unknown. This study will describe pre-migratory fueling behavior at wintering areas in Colombia and determine the length, speed and duration of onward migratory flights through the deployment of radiotransmitters.

Dr. Nick Bayly
Dr. Ryan Norris
Dr. Phil Taylor
Dr. Keith Hobson
Project contact: Ana Gonzalez
Researchers: Ana Gonzalez
Camila Gomez
Nick Bayly
Sean McElaney
Receivers: 6 (table)
Tags: 668 (table)
Species: 284 Swainson's Thrush
150 Gray-cheeked Thrush
68 Canada Warbler
29 Yellow-billed Cuckoo
22 Blackpoll Warbler
14 Willow Flycatcher
6 Mourning Warbler
2 Alder Flycatcher
2 Alder/Willow Flycatcher (Traill's Flycatcher)
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Creation date: 2015-01-01 00:00:00 UTC
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Data visible to any primary investigator: Tag deployments (custom)
Private data: Landowner information
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