Has climate change resulted in a mismatch between the spring arrival of the Common Cuckoo Cuculus canorus and its hosts in North Norway?

Barrett, Robert T.

doi:10.15845/on.v37i0.608

Cited by 4 publications

(3 citation statements)

References 9 publications

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“…day 1 = 1 January) prior to analysis. The relative annual advancement in dates of the arrival of cuckoo species, their hosts and prey emergence was estimated by calculating the difference between the arrival date of each cuckoo species and the arrival/emergence date of their host and prey species, respectively [ 14 , 34 ]; we used this as an index of potential temporal phenological asynchrony/mismatch. If cuckoos would show smaller advancement in their arrival than their hosts, they may miss the opportunity to check thoroughly territories occupied by potential hosts and lay parasitic eggs because the optimal time for parasitation is very short [ 35 ].…”

Section: Methodsmentioning

confidence: 99%

Climate change is associated with asynchrony in arrival between two sympatric cuckoos and both host arrival and prey emergence

Mikula,

Askeyev,

Askeyev

et al. 2024

R. Soc. Open Sci.

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Matching the timing of spring arrival to the breeding grounds with hosts and prey is crucial for migratory brood parasites such as cuckoos. Previous studies have focused mostly on phenological mismatch between a single cuckoo species and its hosts but information regarding climate-driven mismatch between multiple sympatric cuckoo species and their hosts and invertebrate prey is still lacking. Here, we analysed long-term data (1988–2023) on the first arrival date of two declining migratory cuckoo species and their 14 migratory host species breeding in sympatry and prey emergence date in Tatarstan (southeast Russia). We found that the common cuckoo ( Cuculus canorus ; wintering in Africa) generally arrived on breeding grounds earlier than the oriental cuckoo ( Cuculus optatus ; wintering in southeast Asia and Australia). Both cuckoos have advanced their arrival dates over 36 years but less than their hosts, potentially resulting in an increasing arrival mismatch between cuckoos and their hosts. Moreover, cuckoo arrival advanced less than the emergence date of their prey over time. These observations indicate that climate change may disrupt co-fluctuation in the phenology of important life stages between multiple sympatric brood parasites, their hosts and prey with potential cascading consequences for population dynamics of involved species.

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Section: Methodsmentioning

confidence: 99%

Climate change is associated with asynchrony in arrival between two sympatric cuckoos and both host arrival and prey emergence

Mikula,

Askeyev,

Askeyev

et al. 2024

R. Soc. Open Sci.

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“…Sin embargo, los desajustes fenológicos observados en el críalo europeo (Clamator glandarius) no parecen deberse a la respuesta de sus hospedadores a las condiciones climáticas (Avilés et al 2014). Tampoco es el caso del cuco común en Noruega, donde se mostró su llegada anticipada a las zonas de reproducción pero no la de sus hospedadores, por lo que no se encontró evidencia de que cambios en el clima provocasen un desajuste fenológico entre el parásito y sus hospedadores que contribuyera a la disminución de su población (Barrett 2014).Los efectos en las fenologías de los diferentes organismos mencionados debidos al cambio climático se resumen en la tabla 2.…”

Section: Efectos Del Clima Sobre Los Ajustes De Los Ciclos Vitales De Los Parásitosunclassified

Effects of climate change on bird-parasite interactions

Río

Castaño‐Vázquez

Merino

2020

ECOS

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Efectos del cambio climático sobre las interacciones aveparásito Effects of climate change on bird-parasite interactions ResumenEn los últimos años, los modelos sobre los efectos del cambio climático han predicho que la llegada de climas más suaves a mayores latitudes y altitudes tendrá como consecuencia la extensión de enfermedades desde latitudes y altitudes menores. Las relaciones parásito-ave no son una excepción y también podrían verse afectadas por estos cambios. Sin embargo, varias revisiones del efecto del cambio climático sobre las aves y sus parásitos indican que los efectos pueden ser complejos y variados y, en general, difíciles de predecir. En este artículo repasamos algunos de los estudios que han registrado efectos climáticos sobre las relaciones ave-parásito mostrando los distintos aspectos que pueden interaccionar en estos casos. La biodiversidad, la densidad de organismos, ya sean parásitos u hospedadores, la virulencia de los parásitos y la inmunocompetencia de los hospedadores, son factores clave a tener en cuenta en el impacto del cambio climático en la interacción ave-parásito. Resulta evidente que son necesarios más trabajos empíricos que muestren hasta qué punto el cambio climático puede afectar a las poblaciones de aves y parásitos y su capacidad de adaptación a dichos cambios.

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“…It has therefore been hypothesized that the climate change has a greater influence on the Meadow Pipit migration than on cuckoo migration (Møller et al 2010, Møller 2011. As a result, the Meadow Pipit may start to lay eggs earlier, and could accordingly become a less suitable host because the cuckoo would arrive too late to utilize them (Saino et al 2009, Barrett 2014. This hypothesis has received some support from Møller et al (2010), who found that long-distance migrants at present are relatively more used by cuckoos than short-distance migrants.…”

Section: Introductionmentioning

confidence: 99%

Brood parasitism on Meadow Pipits Anthus pratensis by Common Cuckoos Cuculus canorus in two mountain areas in Norway

Berstad

Stokke²,

Moksnes³

2019

Ornis Norv.

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In the period 2001–2014 we studied Common Cuckoo Cuculus canorus brood parasitism on Meadow Pipits Anthus pratensis in two mountain areas; one located in the eastern and one in the western part of southern Norway. In the total material of 211 Meadow Pipit nests, 14 (6.6%) were parasitized by the cuckoo. The parasitism rate showed considerable variation both in time and space, with highest rate in one of the areas in 2005 (35.3%). Cuckoo eggs were quite similar in appearance to host eggs. In spite of this, 30% of the cuckoo eggs were rejected by desertion. No host ejection of parasite eggs was observed. Nest predation rates were rather low. Due to climate change, it has been hypothesized that the cuckoo, a long-distance migrant, may arrive too late to successfully utilize the Meadow Pipit because the latter is better able to advance the breeding season due to a shorter migration distance. Our data lend support to the mismatch hypothesis, but the low sample size regarding cases of parasitism does not allow us to make any firm conclusions. Long-term monitoring of host-parasite interactions in specific populations is important to further disclose the mechanisms responsible for the decline in the Norwegian cuckoo population.

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Has climate change resulted in a mismatch between the spring arrival of the Common Cuckoo Cuculus canorus and its hosts in North Norway?

Abstract: Abstract. Analyses of arrival dates of the common cuckoo and four of its hosts in North Norway since 1980 found no evidence of a climate-driven mismatch that might contribute to the decline in the Norwegian cuckoo population.

Cited by 4 publications

References 9 publications

Climate change is associated with asynchrony in arrival between two sympatric cuckoos and both host arrival and prey emergence

Climate change is associated with asynchrony in arrival between two sympatric cuckoos and both host arrival and prey emergence

Effects of climate change on bird-parasite interactions

Brood parasitism on Meadow Pipits Anthus pratensis by Common Cuckoos Cuculus canorus in two mountain areas in Norway

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