Tracking Pacific Golden-Plovers Pluvialis fulva: transoceanic migrations between non-breeding grounds in Kwajalein, Japan and Hawaii and breeding grounds in Alaska and Chukotka

Johnson, Oscar W.; Porter, Ronald C.; Fielding, Lauren; Weber, M.; Gold, Roger E.; Goodwill, Roger H.; Johnson, Patricia A.; Bruner, Andrea; Brusseau, Paul; Bruseau, Nancy; Hurwitz, Kikiana; Fox, James G.

doi:10.18194/ws.00002

Cited by 11 publications

(5 citation statements)

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“…We found no obvious effects of geolocators on the return rates or reproduction of the Southern Dunlin, a small migratory wader weighing 40-52 g. Our results are in line with previous studies on much larger shorebirds (Johnson et al 2011, Minton et al 2011 mounted devices weighing less than 2% of body mass are also safe for small shorebirds (Kenwood 2004, Clark et al 2010. On the other hand, the results contrast with studies on passerines that have found effects on both survival and reproduction from harness mounted geolocators (Bridge et al 2013, Constantini & Møller 2013, Arlt et al 2013, Scandolara et al 2014.…”

Section: Discussionsupporting

confidence: 91%

“…Studies on the effects of geolocators are still rare among waders. Large species do not seem to be affected by leg-flags (Niles et al 2010, Johnson et al 2011, Minton et al 2011, Burger et al 2012), but the results in most of these studies may not be reliable as the geolocator birds may have been more targeted than the controls (Niles et al 2010). Furthermore, mortality effects are more likely in small species (Constantini & Møller 2013).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

No strong effects of leg-flagged geolocators on return rates or reproduction of a small long-distance migratory shorebird

Pakanen,

Rönkä,

Thomson

et al. 2015

Ornis Fenn

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Section: Discussionsupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

No strong effects of leg-flagged geolocators on return rates or reproduction of a small long-distance migratory shorebird

Pakanen,

Rönkä,

Thomson

et al. 2015

Ornis Fenn

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“…For instance, Watts et al (2019) tracked Whimbrels from both Hudson Bay and Mackenzie River breeding sites in the western Atlantic Flyway, and their estimates of migration duration for birds in these two populations combined (45.3 days and 47.1 days for southbound and northbound movements, respectively) were longer than those described by Johnson et al (2016) for the Hudson Bay population (22 and 34 days, respectively). These differences reflect the effect that overall migration distance has on the intraspecific migratory patterns of Whimbrels, differences also noted in other studies of long‐distance migratory shorebirds (Piersma and Davidson 1992, Battley et al 2012, Johnson et al 2015). Such variation among Alaska‐breeding Whimbrels is apparently driven more by non‐breeding latitude than by either breeding location or sex.…”

Section: Discussionmentioning

confidence: 66%

Diverse patterns of migratory timing, site use, and site fidelity by Alaska‐breeding Whimbrels

et al. 2021

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Birds that conduct long‐distance migrations exhibit varied patterns of consistency in migratory timing and site use. Understanding variation in these traits among populations can help uncover mechanisms driving migratory behaviors and identify potential population threats. Whimbrels (Numenius phaeopus) are long‐distance migratory shorebirds with a Holarctic breeding distribution, and recent studies have documented population‐specific migrations that vary in duration (short to long) and frequency of stops (none/few to multiple). Factors driving these population‐specific differences are unclear. We studied the migration ecology of Whimbrels breeding in Alaska, USA, using satellite transmitters deployed from 2006 to 2010 and tracked through 2015. Whimbrels moved entirely within the Pacific Americas Flyway, and some conducted nonstop flights that exceeded seven days across ~ 8700 km. Birds dispersed across numerous sites throughout the flyway, often using agriculture or aquaculture habitats. Whimbrels generally exhibited fidelity to breeding and non‐breeding sites, but typically only exhibited fidelity to staging sites used prior to long, nonstop migratory flights. The duration of migration for Whimbrels at more southern non‐breeding locations was longer than for those at more northern non‐breeding sites, and birds at more southern sites also terminated southbound migration later and initiated northbound migration earlier than birds at more northern sites. Alaska‐breeding Whimbrels exhibited greater variation in migratory behaviors than those in other populations in the species’ range. We attribute this within‐population diversity to the extensive breadth of non‐breeding distributions (~ 70° latitude across ~ 8600 km), a range that naturally shaped individual responses to unequal migratory demands.

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“…The recorded non-stop distances are in the lower range of the values recorded for waders (see review by Conklin et al 2017). On transoceanic flights Pacific Golden Plovers covered distances of up to 9370 km within one non-stop flight (Johnson et al 2015) and American Golden Plovers (P. dominica) of > 6000 km (Conklin et al 2017). On the EAAF some satellite-tagged Grey Plovers flew over 7000 km non-stop on northward migration from Australia (Flaherty 2017).…”

Section: Migration Routes Migration Patternsmentioning

confidence: 99%

Migration routes and strategies of Grey Plovers (Pluvialis squatarola) on the East Atlantic Flyway as revealed by satellite tracking

Exo

Hillig²,

Bairlein

2019

Avian Res

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Background: While the general migration routes of most waders are known, details concerning connectivity between breeding grounds, stopover sites and wintering grounds are often lacking. Such information is critical from the conservation perspective and necessary for understanding the annual cycle. Studies are especially needed to identify key stopover sites in remote regions. Using satellite transmitters, we traced spring and autumn migration routes and connectivity of Grey Plovers on the East Atlantic Flyway. Our findings also revealed the timing, flight speed, and duration of migrations. Methods: We used ARGOS satellite transmitters to track migration routes of 11 Grey Plovers that were captured at the German Wadden Sea where they had stopped during migration. Birds were monitored for up to 3 years, 2011-2014. Results: Monitoring signals indicated breeding grounds in the Taimyr and Yamal regions; important staging sites on the coasts of the southern Pechora Sea and the Kara Sea; and wintering areas that ranged from NW-Ireland to Guinea Bissau. The average distance traveled from wintering grounds to breeding grounds was 5534 km. Migration duration varied between 42 and 152 days; during this period birds spent about 95% of the time at staging sites. In spring most plovers crossed inland Eastern Europe, whereas in autumn most followed the coastline. Almost all of the birds departed during favorable wind conditions within just 4 days (27-30 May) on northward migration from the Wadden Sea. In spring birds migrated significantly faster between the Wadden Sea and the Arctic than on return migration in autumn (12 vs. 37 days), with shorter stopovers during the northward passage. Conclusions: Our study shows that satellite tags can shed considerable light on migration strategies by revealing the use of different regions during the annual cycle and by providing detailed quantitative data on population connectivity and migration timing.

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Tracking Pacific Golden-Plovers Pluvialis fulva: transoceanic migrations between non-breeding grounds in Kwajalein, Japan and Hawaii and breeding grounds in Alaska and Chukotka

Cited by 11 publications

References 0 publications

No strong effects of leg-flagged geolocators on return rates or reproduction of a small long-distance migratory shorebird

No strong effects of leg-flagged geolocators on return rates or reproduction of a small long-distance migratory shorebird

Diverse patterns of migratory timing, site use, and site fidelity by Alaska‐breeding Whimbrels

Migration routes and strategies of Grey Plovers (Pluvialis squatarola) on the East Atlantic Flyway as revealed by satellite tracking

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