Systematic review of avian hatching failure and implications for conservation

AF Marshall, F Balloux, N Hemmings… - Biological …, 2023 - Wiley Online Library
Avian hatching failure is a widespread phenomenon, affecting around 10% of all eggs that
are laid and not lost to predation, damage, or desertion. Our understanding of hatching …

Physiological factors influencing female fertility in birds

K Assersohn, P Brekke… - Royal Society Open …, 2021 - royalsocietypublishing.org
Fertility is fundamental to reproductive success, but not all copulation attempts result in a
fertilized embryo. Fertilization failure is especially costly for females, but we still lack a clear …

Nature calls: intelligence and natural foraging style predict poor welfare in captive parrots

EL Mellor, HK McDonald Kinkaid… - … of the Royal …, 2021 - royalsocietypublishing.org
Understanding why some species thrive in captivity, while others struggle to adjust, can
suggest new ways to improve animal care. Approximately half of all Psittaciformes, a highly …

The most perfect thing: the inside and outside of a bird's egg

TR Birkhead - 2016 - CSIRO Publishing
Bird eggs are amazing biological structures. For some, they are religiously revered as
symbols of fertility and birth; for most, they are simply regarded as breakfast. However, eggs …

Why do eggs fail? Causes of hatching failure in threatened populations and consequences for conservation

K Assersohn, AF Marshall, F Morland… - Animal …, 2021 - Wiley Online Library
Reproductive failure is ubiquitous. However, research on the mechanisms underpinning
reproductive failure is still lacking in most species. This gap in our understanding has …

Role of propagule pressure in colonization success: disentangling the relative importance of demographic, genetic and habitat effects

RA Hufbauer, A Rutschmann, B Serrate… - Journal of …, 2013 - academic.oup.com
High propagule pressure is arguably the only consistent predictor of colonization success.
More individuals enhance colonization success because they aid in overcoming …

Scope for genetic rescue of an endangered subspecies though re‐establishing natural gene flow with another subspecies

KA Harrisson, A Pavlova… - Molecular …, 2016 - Wiley Online Library
Genetic diversity is positively linked to the viability and evolutionary potential of species but
is often compromised in threatened taxa. Genetic rescue by gene flow from a more diverse …

Demographic drivers of reproductive failure in a threatened bird: Insights from a decade of data

F Morland, JG Ewen, AW Santure, P Brekke… - Proceedings of the …, 2024 - pnas.org
Hatching failure affects up to 77% of eggs laid by threatened bird species, yet the true
prevalence and drivers of egg fertilization failure versus embryo mortality as underlying …

No evidence of inbreeding depression despite a historical severe bottleneck in the endangered Bermuda petrel (Pterodroma cahow)

RO Afonso, F Pina-Martins, V Friesen, Z Sun… - Journal of …, 2023 - academic.oup.com
Abstract The Bermuda petrel Pterodroma cahow is an island endemic seabird that belongs
to the Procellariiformes, one of the most endangered orders of birds. Historical records …

A comparison of pedigree‐and DNA‐based measures for identifying inbreeding depression in the critically endangered A ttwater's P rairie‐chicken

SC Hammerly, ME Morrow, JA Johnson - Molecular ecology, 2013 - Wiley Online Library
The primary goal of captive breeding programmes for endangered species is to prevent
extinction, a component of which includes the preservation of genetic diversity and …