Sex identification through biometrics in Bonelli´s eagle

Sex identification through biometrics in Bonelli´s eagle

International symposium
« Conservation of the Bonelli’s eagle
Montpellier, 28th and 29th of January 2010
Sex identification through
biometrics
in Bonelli´s eagle
Víctor García Matarranz
ESTIMATED POPULATION OF COUPLES
26
650-720
115
ATLAS DE LAS AVES REPRODUCTORAS DE ESPAÑA 2003
TOTAL POPULATION 791-861 TERRITORIES
SAMPLE SIZE
N= 150
ÁREA
POPULATION
SAMPLE
FRANCIA
29
3
PORTUGAL
105-115
23
NORTH AND CENTRAL
39
10
SOUTH
66
13
733-768
115
1
1
270-309
0
ARAGÓN
30
22
CASTILLA LA MANCHA
76
15
CASTILLA Y LEON
18-26
13
CATALUÑA
59-65
45
EXTREMADURA
84
4
MURCIA
24
5
RIOJA
4
2
81-89
8
ESPAÑ A
AL AVA
ANDALUCIA
SAMPLE OF EAGLES
CAPTURED IN THE
FIELD DOES NOT
INCLUDE MARKED IN
RECOVERY CENTERS
VALENCIA
ADULT BIOMETRY
Bonelli's Eagle
• Measures considered:
Weight
Diameter of tarsus lateral and dorsal ventral
Dorsal wing
Ventral wing
Seventh primary
Forearm
Tail
• Central Rectriz
Wingspan
Overall length
Length of beak
Peak height
Peak width
Length of head
Head width
Length greater
• Clow
Adults:
Males (n=72)
Min 1.700 gramos
Max 2.240 gramos
Average 1.946 gramos
Weight
Female (n=69)
Min 2.250 gramos
Max 3.025 gamos
Average 2.641 gramos
Annual variations in weight
Differences between Laderal
Tarsus in the same individual
It is measured in the immediate area above the trochlear
Differences
between L
0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
0,8
0,9
1,3
Porcentaje
14,29%
28,57%
12,86%
12,86%
10,00%
7,14%
5,71%
2,86%
1,43%
2,86%
1,43%
Envergadura
Wingspan
Envergadura
180
175
170
165
160
155
150
Females
145
Males
140
Macho
Male
Hembra
Female
n
61
65
Min
Max Media
143
163 154.7
152
176 166.8
Total length
Total length
Females
Males
n
13
14
Mín
70
63
Máx Average
74
71,5
67
65,5
Clave
Clave
Females
Males
n
Mín
Máx
Average
10
40,7
46,7
42,9
11
35,8
39,4
37,7
Values for a 100% discrimination of sex in the sample
individuals
Weight
Males
Females
Smaller
lateral tarsal
wingspan
Total
length
Clave
< 2.240 gr < 11 mm.
<156 cm
<68 cm.
<40 mm
n=72
n=68
n=59
n=15
n= 11
>2.250 gr
>11 mm.
>164 cm.
>70 cm
>40.5 mm.
n=62
n=59
n= 55
n=13
n= 9
MUCHAS GRACIAS POR SU ATENCIÓN
Je vous remercie beaucoup pour votre attention
La ringrazio molto per l'attenzione
Muito obrigado pela sua atenção
σας ευχαριστώ πολύ για την προσοχή σας
Forearm
n
Mín
Máx
Average
Females
53
16,9
18,7
17,7
Males
55
16
17,8
16,7