N Table 4.2 Concentrations of Na" and Cl: in the urine and nasal gland secretions of birds
N
(i) Urine
-
Chloride"
m-equiv/l
m-equ iu l l
Columba Livia
(Pigeon)
298
Melopsittacus undulatus
(Budgerygah)
445
Zen aidura macroura
(Mourning dove)
327
Amphispiza biLineata
(Black-throated
sparrow)
527
Carpodacus me xicanus
(House finch)
370
Passerculus sandwichensis
(Savannah sparrow)
960
Salpinctes obso letus
(Rock wren)
372
(ii) Nasal gland secretion
m-equiui l Na r
':.*
m-equiu!1cr: 'f*'f
Phalacrocorax sp .
(Cormo rant)
600
Tringa ochropus
(G reen sandpiper)
328
Anas platyrhynchos
(Mallard)
550
Gallinago gallinago
(Sni pe)
378
Rhynchops nigra
(Black ski mmer)
700
Tringa glareola
(Wo od san dpiper)
477
Pelecanus occidentalis
(Brown Pelican)
750
Ch aradrius hiaticula
(Ringed plover)
712
Larus argentatus
(Herring gull)
800
Cepphus grylle
(Black guillemot)
716
Spheniscus humboldti
(Hum boldt's penguin)
850
Larus ridibundus
(Black-headed gull)
792
Cepphus grylle
(Black guillemot)
850
Plautus aile
(Little auk)
828
(Albatross)
900
Larus
tridactylus
(Kittiwake)
857
O ceanod rom a leuc orhoa
(Leach's pet rel )
1100
Fratercula arctica
(Common puffin)
887
' f
from SMYTH and BARTHOLOMEW
(1966), except Budgerygah (GREENwALD
et al., 1967)
,:.,:. from SCHMIDT-NIELSEN
(1960)
':" :"f
from STAALAND
(1967)