Merrow & Vane · Naturalists' Press Fascicle XII · Plate 47

Birds of the Alder Coast

A working plate from the fourth edition — six species of the tidal alder belt, drawn from skins and field sketches, with breeding and wintering ranges after the 2043 breeding-bird atlas.

Plate
47 — Tidal Alder Belt
Illustrator
H. Marrable Vane
Survey Area
Cape Rue → Ostler Sound
Revision
4th ed., corrected

Plate 47 · Tidal Alder Belt

Figures 47a – 47f · scale bars in cm
010 cm
Range · 47a

Alder Kinglet Regulus alnorum

Passerine · 9 cm
  • Crown stripe saffron, flared when agitated; the single most reliable mark.
  • Two thin wing-bars, the lower broader and cream rather than white.
  • Feeds by hovering at the leaf tip — rarely still for more than two seconds.
  • Eye-ring broken at the rear; separates it from the Marsh Kinglet.

Voice
see-see-see-tsidderit — thin, rising, the terminal flourish dropped in autumn.

010 cm
Range · 47b

Pied Godwit Limosa pica

Wader · 41 cm
  • Bill faintly upturned, pink at the base for two-thirds its length.
  • In flight: broad white wing-stripe and a square black tail-band.
  • Feeds by deep vertical probing, often to the eye, in soft grey mud.
  • Winter birds lose all rufous; look for the clean grey breast and dark loral line.

Voice
wick-a wick-a on the flush; a low nasal gerr from feeding flocks.

020 cm
Range · 47c · resident

Slate Harrier Circus ardesiacus

Raptor · 52 cm
  • Flight low and tilting, wings held in a shallow V above the reed tops.
  • Adult male ash-grey with jet primaries and a white rump patch.
  • Female and juvenile brown; juvenile warmer below, with an unstreaked belly.
  • Owl-like facial disc visible at close range — an aid to hunting by ear.

Voice
Largely silent away from the nest; a chattering chek-ek-ek-ek at the food pass.

010 cm
Range · 47d

Ember Finch Pyrrhula favilla

Finch · 16 cm
  • Bill short, blunt and blue-grey — built for alder cones, not seed heads.
  • Male scarlet from throat to vent; female the colour of wet brick.
  • Undulating flight with a hard flick at the top of each bound.
  • Almost always in pairs, even in the deep midwinter flocks.

Voice
A soft descending peu, easily lost in wind; song a creaking, unmusical warble.

010 cm
Range · 47e · summer only

Sedge Nightjar Caprimulgus carecis

Nightjar · 27 cm
  • At rest lies lengthwise along a bough, invisible until it opens an eye.
  • Male shows white primary spots and white tail corners in display flight.
  • Bill minute; gape enormous and framed with stiff rictal bristles.
  • Active from forty minutes after sunset; hunts moths over open water.

Voice
A dry mechanical churr on two pitches, carried a mile on still nights; wing-clap at the turn.

010 cm
Range · 47f

Marsh Whistler Cistothorus salinus

Passerine · 11 cm
  • Tail cocked hard over the back, barred black on chestnut.
  • Long pale supercilium running well past the eye — see figure detail.
  • Builds up to nine dummy nests; only one is ever lined with down.
  • Keeps to the lower half metre of reed; flushes only at the last step.

Voice
An explosive dry rattle, then three clear whistles: tsuk-tsuk-tseee-tsee-tsee.