12
Bird topography
The illustrations below show the various features of a bird – its topography – used in the identification texts.
Knowledge of these, especially the feather tracts, is vital for describing a bird and its plumage. Making field
sketches, even if embarrassingly poor, is a good way to learn.tertials primary projectiongreater coverts
tibiatarsusmedian covertslesser covertsbreastlorescrown mantle
scapularscrown-stripe lateral crown-stripenapesuperciliumtertials
primary projection
uppertail-covertsvent undertail-covertsflankseye-stripemalar stripesubmoustachial stripescapularslesser coverts
median covertsgreater covertsalula
primary covertsmoustachial stripeP
P
P
P
P
P
P
P
PP10 (10th primary)primariesprimary
covertscarpalmedian
coverts
lesser
covertsmantlescapularsrumpfeet
projectionuppertail-covertsgreater covertssecondaries