Table 1 Use of Parana pine trees by each bird species and their relative abundances.

From: Endangered plant-parrot mutualisms: seed tolerance to predation makes parrots pervasive dispersers of the Parana pine

Species

 

N

%

Area

Indiv.

RA

Red-spectacled amazon

Amazona pretrei

41

7.79

D, E

2252

3.912

Vinaceus amazon

Amazona vinacea

56

10.65

C, D, F

471

0.818

Amazon sp.

Amazona sp.

3

0.57

D, F

3

0.005

Yellow-chevroned parakeet

Brotogeris chiriri

0

0

C

89

0.155

Peach-fronted parakeet

Eupsittula aurea

1

0.19

C

16

0.028

Monk parakeet

Myiopsitta monachus

6

1.14

E, F

114

0.198

Pileated parrot

Pionopsitta pileata

5

0.95

D, F

21

0.036

Scaly-headed parrot

Pionus maximiliani

86

16.35

C, D, F

340

0.591

White-eyed parakeet

Psittacara leucophthalmus

4

0.76

C

855

1.485

Maroon-bellied conure

Pyrrhura frontalis

109

20.72

C, D, E, F

1088

1.890

TOTAL PARROTS

 

251

47.72

 

5346

9.297

Azure jay

Cyanocorax caeruleus

99

18.82

D, E, F

69

0.120

Plush-crested jay

Cyanocorax chrysops

4

0.76

C, E, F

1

0.001

Curl-crested jay

Cyanocorax cristatellus

8

1.52

C

61

0.106

TOTAL JAYS

 

111

21.10

 

131

0.228

  1. Number (N) and percentage (%) of female trees (n = 526) with recorded seed predation by parrots and jays, with the number of individuals and relative abundance (RA = individuals/km) of species observed through road-survey counts (575 km), and the areas where they were recorded (see Fig. 1).