5/6 #BOUasm22 #Sesh5
Bird distribution data coverage increased massively during the event, spreading far into under-recorded regions. 22,000 bird lists containing >100,000 bird records, 353 species (27 threatened)

5 #ISTC20 #Sesh5 Regardless of the age group, we found that #oversummering birds had more #survivorship than migrants. The estimated survival #advantages for adults and juveniles both closely match and don’t differ significantly from the threshold values predicted #stayatParacas

6 #BOU2021 #Sesh5 Rush management is still a key part of the wader #conservation toolkit but its effectiveness needs further evaluation (ideally with real nests) to optimise trade-offs between foraging conditions and predation risk

…lpublications.onlinelibrary.wiley.com/doi/10.1111/ac…
southwestpeak.co.uk/blogs/field-no…

4 #ISTC20 #Sesh5 Parental care strategy (uniparental vs. biparental) was not related to population trends

Which sex provided more care was correlated with population trends. Species dividing care evenly had the highest proportion of stable and increasing trends #ornithology

6 #ISTC20 #Sesh5 #rufaredknots have to face #humandisturbances and spend energy flying a distance to a safer roosting site, to be able to feed in soft high quality food. Thus improving their #energybudget in #digestivelyconstrained birds at a shorter staging time.

6/6 #BOU2022 #Sesh5 This is the first study (to our knowledge) to assess the effect of early-life telomere length on reproductive senescence in birds. We find that female early-life telomere length predicts rate of senescence in clutch size and hatching success rate.

7/6 #BOUsci21 #Sesh5 | This work is part of my NERC GW4+ Doctoral Training Partnership PhD with Cardiff University Team Stormies at CUBiosciences but it wouldn’t have been possible without a huge number of people and organisations. Thank you all!

Coming up in just a moment at #ISTC20 is #Sesh5 'Behaviour1' with keynote Fyodor Kondrashov chaired by Josh Nightingale [email protected] #Shorebirds #Waders #ornithology BOU 👩🏻‍🏫👨🏿‍🏫🧕🏽👳🏽‍♂️ 🌈

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4 #BOU2021 #Sesh5 Daily nest predation rates (DPRs) were twice as high in fields with rush management and in cut rush patches due to the resultant shorter, less dense vegetation making nests more visible to predators. No other environmental variables significantly influenced DPR

3/6 #BOU2022 #Sesh5 In our study on the threatened hihi, endemic to NZ, we found that early-life telomere length predicts the rate of senescence in female clutch size and hatching success, but not in fledgling success rate.

6/6 #ISTC20 #Sesh5
Our results supports the #life #history hypothesis that both oversummering juvenile and adult birds #compensate for the loss of a breeding opportunity with higher #survivorship than migrant birds. #oversummeringwins #ornithology #ParacasShorebirdProject 🐦☀️

6 #BOUsci21 #Sesh5 An informal scheme to collect this data was launched in winter 2020/21, with coverage of 110 sites – a great start! Thanks to all the volunteer bird ringers who make this data collection possible. #BTOScience

4 #ISTC20 #Sesh5  In 2019 #rufaredknots chose safer and protected sites avoiding #humandisturbances but closer as possible to feeding areas. Under disturbance pressure, they usually moved from Mar Grande to Banco Lobos (8 km), not Los Alamos (12 km) protected by rangers.

4/6 #ISTC20 #Sesh5
The main prey consumed were polychaetes (mostly Onuphidae, Orbiniidae and Nereididae families), crustaceans and clams🐛🦞🦪
The composition was different among dates mainly due a consume peak of crustaceans on April.
#ornithology #waders #shorebirds #sanderling

5 #UEACEEC21 #Sesh5
Different responses to surface water by Shoebills may be related to optimal foraging conditions: adults may select areas with more surface water, with larger prey but difficult to capture, while immatures may select drier sites with higher prey availability.

5 #BOUasm21 #Sesh5 Many UK woodland birds suffering large unexplained population declines: could feeding be contributing? Many of these species have strategies to cope with dominant competitors that are nullified by bird feeding and nestboxes, which benefit adaptable generalists.

4 #UEACEEC21 #Sesh5
Adult and immature Shoebills responded differently to changes in surface water: areas adults abandoned became drier and areas immatures abandoned became wetter. The NDWI of areas used by Shoebills before abandonment was similar to NDWI of newly selected areas

Thanks to all the #Sesh5 presenters at #ISTC20 Fyodor Kondrashov Dr. Eve Tavera Fernández
@Gangelozzib JoaCastle
Gill Holmes ✨ International Bird Conservation Partnership Patricia M. González. Up next is #Sesh6
'Conservation 2' #Shorebirds #Waders #Ornithology

5 #ISTC20 #Sesh5  During #COVID -19 #Quarantine , #rufaredknot could roost closer to feeding areas, at the same main feeding site at Mar Grande. However they moved to the next closer roost in spring tides and under   #raptorpredation .

Very cool example of #IndividualHeterogeneity from Lucy Mitchell at #BOU2021 #sesh5 : while most monitored nightjars used heather - in proportion to its availability in the landscape - one individual very strongly selected for cottongrass (vs most tended not to use it)! 🌾🐦🌾

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