I still owe you the answers to challenge No. 27
Needless to say that all 13 participants did get full score and got a lot of positive feedback because they not only had to identify the birds but also to read or even re-read a bit more about them. Thanks to all participants you were fantastic
No 1. How do the immature birds differ in plumage from the adults
Immature birds are greyish brown with dull greyish brown bill, dull orange face and brownish legsYellow-Billed Stork
No. 2Describe their nesting behaviour
Natural captivity in tree trunk. Entrance sealed most of the time with mud by female brought by male. Male delivers nest lining of bark flakes and small sticks. Cavity 300-450 mm diam, nest floor 120-200 mm below entrance. Entrance usually 100-300 mm high, 100-150 mm wide, narrowed by female to slit 150-240 mm high, 20 mm wide. Escape 'chimney' extends above cavityTrumpeter Hornbill
No. 3Approx how many fish are necessary for this birds feed a day?
1-2 fish per day (up to 2kg)African Fish Eagle
No. 4Describe their nest.
Huge oval shaped mass of sticks, reeds, weeds and debris, including man made items.In stout fork of a tree, cliff egde, rock in a river. Rarely on the ground or sandbank. Measures 2m in diameter with roof 1m thick. Chamber 30 - 50cm diameter roughly plastered with mud. Entrance tunnel 13 - 18 cm diameter, 40 - 60 cm long. Smoothly plastered faces sloping downwards to least accessible part of site. Weighs 25 - 50 kg and roof withstands weight of a man. May be build cooperatively by 4 or more birds.Hammerkop
No. 5What is the distinct, main difference between the male and female?
Male has a dark brown eye , female a yellow eye. Male has yellow wattles at base of bill.
No. 6How does he look when not wearing his breeding plumage and how can you distinct him then from the females?
When they are not breeding the males are a dull shades of brown; boldly streaked buff and dark brown above, buffy eyebrow; Dark brown wings and tail.- Females are very similar throughout. During breeding season the Male looks like the above photo. Females remain dull.Southern Red Bishop
No. 7 On what does the bird feed?
Juicy fruit, particularly figs and wild figsGreen pigeon
No. 8Distinguish between the male, female and juvenile.
male - chestnut breast, white underwings
female - chestnut belly, chestnut underwings
juv. male - black-speckled, chestnut breast, white underwings
juv. female - whitish breast, chestnut underwingsGiant Kingfisher