Sexing birds using discriminant function analysis: a critical appraisal
Discriminant function analysis (DFA) based on morphological measurements is a quick,
inexpensive, and efficient method for sex determination in field studies on cryptically …
inexpensive, and efficient method for sex determination in field studies on cryptically …
Predicting sex of Mediterranean Shag (Phalacrocorax aristotelis desmarestii) from morphometric variables
C Tobella, G Arrufat, J Grajera, E Badosa, R Calderón… - Waterbirds, 2023 - BioOne
Biometrics have been widely employed to predict sex when clear dimorphism is lacking. In
this study, we aimed to assess sexual dimorphism in the Mediterranean Shag …
this study, we aimed to assess sexual dimorphism in the Mediterranean Shag …
Sexing Icelandic Whimbrels Numenius phaeopus islandicus with DNA and biometrics
B Katrínardóttir, S Pálsson, TG Gunnarsson… - Ringing & …, 2013 - Taylor & Francis
Whimbrels Numenius phaeopus are waders which exhibit no plumage difference between
the sexes but some sexual size dimorphism exists, with females being on average larger …
the sexes but some sexual size dimorphism exists, with females being on average larger …
Sexual dimorphism in size and plumage in adult Curlew Sandpipers (Calidris ferruginea) migrating in autumn through the Baltic Sea region
M Witkowska, W Meissner - Ornis Fennica, 2020 - ornisfennica.journal.fi
Abstract The Curlew Sandpiper (Calidris ferruginea) displays sexual dimorphism in size and
in breeding plumage. We analysed biometric and plumage characteristics in adult Curlew …
in breeding plumage. We analysed biometric and plumage characteristics in adult Curlew …
Biometric variability and sexual size dimorphism in the Great Knot Calidris tenuirostris
D Dorofeev, A Ivanov, E Khudyakova… - The European …, 2024 - Taylor & Francis
Abstract The Great Knot is a species from the Scolopacidae family of waders migrating
within the East Asian-Australasian Flyway, and studies on this species have contributed …
within the East Asian-Australasian Flyway, and studies on this species have contributed …
Sex determination of Least Sandpiper (Calidris minutilla) and Western Sandpiper (Calidris mauri): Comparing methodological robustness of two morphometric …
A Jiménez, I García-Lau, A Gonzalez, M Acosta… - Waterbirds, 2015 - BioOne
Abstract Least (Calidris minutilla, n= 110) and Western (Calidris mauri, n= 37) sandpipers
collected in Cuban wetlands were sexed by gonadal examination on dissection and used to …
collected in Cuban wetlands were sexed by gonadal examination on dissection and used to …
Identifying the sex of the common sandpiper (Actitis hypoleucos) by linear measurements
W Meissner, R Krupa - Annales Zoologici Fennici, 2016 - BioOne
The common sandpiper is a small wader showing no sexual dimorphism in plumage and
some dimorphism in size. Discriminant function analysis was applied to a set of …
some dimorphism in size. Discriminant function analysis was applied to a set of …
Sex determination and sexual size dimorphism in the Red-billed Tropicbird (Phaethon aethereus) and White-tailed Tropicbird (P. lepturus)
GT Nunes, GDR Leal, C Campolina, TRO De Freitas… - Waterbirds, 2013 - BioOne
Tropicbirds (order Phaethontiformes) are a well-studied seabird taxon, but there have been
no published studies on sexual size dimorphism. Here, we investigated sexual size …
no published studies on sexual size dimorphism. Here, we investigated sexual size …
Shortcomings of discriminant functions: a case study of sex identification in the black-headed gull
P Indykiewicz, P Minias, J Kowalski, P Podlaszczuk - Ardeola, 2019 - BioOne
The Black-headed Gull Larus ridibundus, like many other gulls, has monomorphic plumage,
which impedes sex identification in the field. We analysed the size of the hood, eye ring and …
which impedes sex identification in the field. We analysed the size of the hood, eye ring and …
Sexing adult and fledgling Lesser Black-backed Gulls from morphometrics
GT Hallgrimsson, HH Helgason, ES Palsdottir… - Ringing & …, 2016 - Taylor & Francis
Gulls are monomorphic in plumage characteristics but show a sexual size dimorphism
where males are larger than females. In this study, we use discriminant function analyses …
where males are larger than females. In this study, we use discriminant function analyses …