Gould ; P . J . 
Tropicbirds 
1963 
Left 
Right 
Number 2 
new 
new 
Number 3 
new 
new 
Number 4 
l/3 base in 
sheath 
remnant of sheath at base 
rest 
old 
old 
2. Secondaries: 
Numbers 1-12 
new 
nww 
rest 
old 
old 
3 . Body: light general molt 
4. Tail: all new or almost complete, 2 not yet out of sheaths. 
Deck Pair = l/5 to l/b grown 
Number 0342 
Number 2 Juv. cf just beginning first pre-basic (Post Juv.) molt. Testes=21 X 10 mm. 
Soft Part Color: 
1. upper mandible=black back to nostril lgiht blue around base 
2. lower mandible=black at sides and tips, yellow bottom, light blue at base 
3. Tarsus and lower l/b foot light blue, outer 3/4 foot and nails=black 
Molt: 
1. Primaries 
Number 1 
Number 2 
Number 3 
Left Right 
completely in new 
sheath 
new 3/4 in sheath 
l/2 out of 3/4 in sheath 
sheath 
2. Secondaries 
Number 1-? new, rest old 
3. Body very light general body molt, just begun 
4. Tail all old except 1 of deck pair which is l/2 out of sheath (red tinged) 
other deck feathers old 
