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6 One of the first attempts to render on map the distribution of the Lanner falcon above the equator. 1-F. b. erlangeri, 2-F. b. feldeggii, 3-F. b. tanypterus, 4-F. b. abyssinicus (Simon 1965).

6 One of the first attempts to render on map the distribution of the Lanner falcon above the equator. 1-F. b. erlangeri, 2-F. b. feldeggii, 3-F. b. tanypterus, 4-F. b. abyssinicus (Simon 1965).

Contexts in source publication

Context 1
... bill turns grey, the legs blue-grey and the toes dull yellow (Kemp 1975) Figure s12; Kemp 1975). The breast is completely covered at 28 days old and at 35 days the nestling is well feathered but with short tail and wing feathers with some down still adhering to the feather tips ( Figure 2.18 B, Figure s16; Kemp 1975). Finally at around 50 days old, any remaining down has disappeared and the complete development of rectrices and remiges is attained ( Figure 2.18 C; Kemp 1975). ...
Context 2
... crown is buffy to dark brown (F. b. feldeggii; Figure s16) or whitish on F. b. erlangeri and F. b. tanypterus (Clark 1999, Forsman 1999), cheeks white with thin black stripes ( Figure s16; Chia- vetta 1982), and the moustache is long narrow and black, distinguishable from that of the Peregrine falcon ( Figure s16; . In very few cases (n = 4) F. b. feldeggii juveniles showed a very pale F. b. erlangeri-like crown ( Massa et al. 1991). ...
Context 3
... crown is buffy to dark brown (F. b. feldeggii; Figure s16) or whitish on F. b. erlangeri and F. b. tanypterus (Clark 1999, Forsman 1999), cheeks white with thin black stripes ( Figure s16; Chia- vetta 1982), and the moustache is long narrow and black, distinguishable from that of the Peregrine falcon ( Figure s16; . In very few cases (n = 4) F. b. feldeggii juveniles showed a very pale F. b. erlangeri-like crown ( Massa et al. 1991). ...
Context 4
... crown is buffy to dark brown (F. b. feldeggii; Figure s16) or whitish on F. b. erlangeri and F. b. tanypterus (Clark 1999, Forsman 1999), cheeks white with thin black stripes ( Figure s16; Chia- vetta 1982), and the moustache is long narrow and black, distinguishable from that of the Peregrine falcon ( Figure s16; . In very few cases (n = 4) F. b. feldeggii juveniles showed a very pale F. b. erlangeri-like crown ( Massa et al. 1991). ...