regine weckauf - sexing lesser adjutant storks
Post on 22-Jan-2015
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Regine Weckauf Sexing Lesser Adjutant
Storks
SexingLesserAdjutantStorks
26thMarch2012SiemReap
RegineWeckauf
or?
Sexualdimorphism
LesserAdjutantStorkHowtoknow?
MaleorFemale??ReliableonlybyDNA‐test–feathersamples
Whydowecare??
PopulaJonissmallanddeclininggloballylistedas
‘’Vulnerable’’
OccurrenceofLesserAdjutantStorks
Lateralheadpicturesof20storks
20storksx19measurements=
RaJos!
• 28horizontalmeasurementraJos• 55verJcalmeasurementraJos =1660RaJos
StaJsJcssuck
buttheygiveniceresults
niceresults
DiscriminantFuncJonAnalysis
DiscriminantFuncJon
V4=BillheightV7=Commissuralpointtocrown
Example
Threshold=–0.099above‐0.099=malebelow‐0.099=female
GreaterAdjutantStork
GreaterAdjutantStork
Whatwewanttoremember:• ThereareLesserAdjutantstorksinCambodia!• BoyandgirlstorkslookalikebutyoucandisEnguishthembytheirheadproporEon,staEsEcallyproven• Welikethem
ThankYou
Regine Weckauf Thank You!
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