PARENTAL AND SEXUAL CHARACTERS 101 
TABLE 
I 
PROTECTION OF YOUNG BY PARENTS 
Position. Form. |Movement.| Sound. Scent. Colour. 
display 
m erect ‘ make their 
E se plumes, oe various | (no ex- | bright 
a e ent spread qeaes > | noises—| amples | plumes 
4 {positions | ‘ils and &o,  |thecack-| found.) |and have 
ay |P ‘| wings. * | ling hen. bright 
colours. 
remain 
oS]... conceal | quite eee (no ex- | are cryp- 
g ae their | motion- Nile ae amples | tically 
S deere form. less or * | found.) | coloured. 
retreat. 
PROTECTION OF FEMALE BY MALE 
does not 
pre-copu- een pre-copu-| lose 
f | pre-copu-| latory ecard latory scent: | has at- 
2 latory | erection |P lato P4! sounds, | in many | tracting 
= |attitudes./of plumes, ste also insects | colour. 
&e. sents songs. | sweet- \ 
; scented. 
remains 
3 | for the hides pierre is crypti- 
3 most part| 5 quiescent.| quiet. ‘bree ae cally 
=I con- oe 8 | coloured. 
Fa season. 
cealed. 
If, as some will be willing to admit, the 
parents use these various ways for the pro- 
