WHY DO CURLEWS NUMENIUS HAVE DECURVED BILLS

[1] BOLAM G, 1912, BIRDS NORTHUMBERLAND

[2] Burton P.J.K., 1974, FEEDING FEEDING APPA

[3] CURLEWS NUMENIUS BILLS - SOME ANATOMICAL NOTES [J]. BIRD STUDY, 1986, 33 : 70 - 70

[4] CHAPMAN A, 1889, BIRDLIFE BORDERS

[5] Cramp S., 1983, BIRDS W PALEARCTIC, V3

[6] DAVIDSON N C, 1983, Ringing and Migration, V4, P159

[7] DAVIDSON N C, 1982, Ringing and Migration, V4, P51

[8] MORTALITY OF REDSHANKS AND OYSTERCATCHERS FROM STARVATION DURING SEVERE WEATHER [J]. BIRD STUDY, 1982, 29 (NOV) : 183 - 188

[9] DAVIDSON NC, 1981, FEEDING SURVIVAL STR, P231

[10] DAVIDSON NC, 1976, B NIGERIAN ORN SOC, V41, P2

[1] BOLAM G, 1912, BIRDS NORTHUMBERLAND

[2] Burton P.J.K., 1974, FEEDING FEEDING APPA

[3] CURLEWS NUMENIUS BILLS - SOME ANATOMICAL NOTES [J]. BIRD STUDY, 1986, 33 : 70 - 70

[4] CHAPMAN A, 1889, BIRDLIFE BORDERS

[5] Cramp S., 1983, BIRDS W PALEARCTIC, V3

[6] DAVIDSON N C, 1983, Ringing and Migration, V4, P159

[7] DAVIDSON N C, 1982, Ringing and Migration, V4, P51

[8] MORTALITY OF REDSHANKS AND OYSTERCATCHERS FROM STARVATION DURING SEVERE WEATHER [J]. BIRD STUDY, 1982, 29 (NOV) : 183 - 188

[9] DAVIDSON NC, 1981, FEEDING SURVIVAL STR, P231

[10] DAVIDSON NC, 1976, B NIGERIAN ORN SOC, V41, P2