Bird migration and the conservation of the global environment

Higuchi, Hiroyoshi

doi:10.1007/s10336-011-0768-0

Cited by 35 publications

(17 citation statements)

References 13 publications

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“…To promote animal welfare and ensure the integrity of research findings, ornithologists must also be aware of how marking techniques may influence the outcomes of avian behavioral and life history studies (e.g., Gauthier-Clerc et al 2004;Sheldon et al 2008;White et al 2013). Satellite telemetry has greatly improved our understanding of the migratory linkages of birds and has proven to be an important research and conservation tool (Higuchi 2012). However, we urge caution when ornithologists assume that dorsal attachment of a satellite transmitter has no effect on the timing of a bird's migration.…”

Section: Discussionmentioning

confidence: 99%

Evidence that dorsally mounted satellite transmitters affect migration chronology of Northern Pintails

Hupp

Kharitonov²,

Yamaguchi

et al. 2015

J Ornithol

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We compared migration movements and chronology between Northern Pintails (Anas acuta) marked with dorsally mounted satellite transmitters and pintails marked only with tarsus rings. During weekly intervals of spring and autumn migration between their wintering area in Japan and nesting areas in Russia, the mean distance that ringed pintails had migrated was up to 1000 km farther than the mean distance radiomarked pintails migrated. Radiomarked pintails were detected at spring migration sites on average 9.9 days (90 % CI 8.0, 11.8) later than ringed pintails that were recovered within 50 km. Although ringed and radiomarked pintails departed from Japan on similar dates, the disparity in detection of radiomarked versus ringed pintails at shared sites increased 7.7 days (90 % CI 5.2, 10.2) for each 1000 km increase in distance from Japan. Thus, pintails marked with satellite transmitters arrived at nesting areas that were 2500 km from Japan on average 19 days later than ringed birds. Radiomarked pintails were detected at autumn migration stopovers on average 13.1 days (90 % CI 9.8, 16.4) later than ringed birds that were recovered within 50 km. We hypothesize that dorsal attachment of 12-20 g satellite transmitters to Northern Pintails increased the energetic cost of flight, which resulted in more rapid depletion of energetic reserves and shortened the distance pintails could fly without refueling. Radiomarked pintails may have used more stopovers or spent longer periods at stopovers. causing their migration schedule to diverge from ringed pintails. We urge further evaluation of the effects of dorsally mounted transmitters on migration chronology of waterfowl.

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Section: Discussionmentioning

confidence: 99%

Evidence that dorsally mounted satellite transmitters affect migration chronology of Northern Pintails

Hupp

Kharitonov²,

Yamaguchi

et al. 2015

J Ornithol

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“…, Yamaguchi et al . , Higuchi , ). The birds take a longer route in spring, detouring over the Korean Peninsula and reaching Japan through the Korea/Tsushima Strait (a water‐crossing of c .…”

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confidence: 99%

Wind conditions facilitate the seasonal water‐crossing behaviour of Oriental Honey‐buzzards Pernis ptilorhynchus over the East China Sea

Nourani

Yamaguchi

Manda

et al. 2016

Ibis

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Migratory raptors rarely fly over stretches of water larger than 25 km, although different species undertake water crossings of varying lengths, depending mainly on their wing morphology. Oriental Honey‐buzzards fly c. 680 km over the East China Sea in autumn from breeding areas in Japan to wintering areas in Southeast Asia, but avoid this long water crossing in spring. We investigated the effects of weather on this exceptional migratory behaviour and its seasonality through a maximum entropy niche modelling approach. We used data collected through satellite tracking of 31 adult birds as presence points and a set of variables related to wind, precipitation and convective condition as environmental predictors. Results of modelling showed very different, almost non‐overlapping, areas suitable for migration over the East China Sea region in autumn and spring. Suitable migration routes in autumn mostly occurred over the sea, whereas suitable areas for spring migration mostly occurred over land, suggesting that circumnavigating the East China Sea is preferable in spring. At the regional scale, wind conditions facilitate water‐crossing behaviour of Oriental Honey‐buzzards in autumn, but not in spring. Specifically, suitable tailwinds over the sea enable water‐crossing in autumn, whereas in spring, wind support and convective conditions are best over land. Our modelling did not suggest any importance of convective conditions for autumn migration. However, we expect that at smaller temporal scales, convective conditions would be a considerable facilitator of the water‐crossing behaviour in this species.

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“…A recent study on the migration routes of birds by satellite tracking showed migration through the Korea/Tsushima strait [11]. The migratory behavior of birds has been suggested as an important ecological factor that spreads the geographical distribution of avian haemosporidia [26,36].…”

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Molecular Identification of Avian Haemosporidia in Wild Birds and Mosquitoes on Tsushima Island, Japan

Tanigawa

Sato

Ejiri

et al. 2013

The Journal of Veterinary Medical Science

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ABSTRACT. We investigated for the first time the prevalence of avian haemosporidia of genera Plasmodium, Haemoproteus and Leucocytozoon among birds and mosquitoes on Tsushima Island of Japan, which is located between Japan and the Korean Peninsula. Of 55 wild birds belonging to 33 species, 16 (29.1%) tested positive for haemosporidia as follows: Plasmodium spp. (11/55; 20.0%); Haemoproteus spp. (2/55; 3.6%); and Leucocytozoon spp. (3/55; 5.5%). A genetic lineage isolated from the Eurasian Sparrowhawk (Accipiter nisus) was identical to that of the known avian malaria parasite P. circumflexum. Several genetic lineages were identical or closely related to the parasite lineages that were previously detected in birds and mosquitoes in Japan and Korea. Another single identical genetic lineage was also detected in both migratory and resident birds. A total of 753 mosquitoes from 12 species were collected; and one fully fed Aedes albopictus was positive for avian Plasmodium(1/753; 0.13%) which is identical to a genetic lineage detected in both mosquitoes in Japan and birds in Korea. Blood-meal identifications of blood-fed mosquitoes showed direct contact between the mosquitoes and 4 species of mammals including humans, cattle, rodents and the endangered Tsushima leopard cat (Prionailurus bengalensis euptilura). Migratory birds use Tsushima Island as a site for wintering, breeding and resting, and our results suggest the transmission of avian haematozoa between resident and migratory birds during their stay on Tsushima Island.

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Bird migration and the conservation of the global environment

Cited by 35 publications

References 13 publications

Evidence that dorsally mounted satellite transmitters affect migration chronology of Northern Pintails

Evidence that dorsally mounted satellite transmitters affect migration chronology of Northern Pintails

Wind conditions facilitate the seasonal water‐crossing behaviour of Oriental Honey‐buzzards Pernis ptilorhynchus over the East China Sea

Molecular Identification of Avian Haemosporidia in Wild Birds and Mosquitoes on Tsushima Island, Japan

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