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Table 1 Characteristics of trees and cavities used by parrots

From: Exotic parrots breeding in urban tree cavities: nesting requirements, geographic distribution, and potential impacts on cavity nesting birds in southeast Florida

Nest tree

Location

Habitat

Tree species

Original excavator

Tree height (m)

DBH (cm)

Decay class

Nest height (m)

Nest diameter (cm)

Nest hole enlarged?

Internal depth (cm)

Internal diameter (cm)

Parrot species observed

1

Palmetto Bay

Freshwater slough

Royal Palm

PIWO

13.5

40

2

12.5

14

No

Unknown

BYMA

2

Coral Gables

Botanical garden

Royal Palm

PIWO

13

31

1

8

15

No

220

32

OWPA

3

Coral Gables

Botanical garden

Royal Palm

PIWO

7

30

6

5

11

No

105

26

RMPA

4

Miami

Urban

Royal Palm

RBWO

9.5

46

3

9

10

Yes

275

35

BCPA

5

Miami

Urban

Royal Palm

RBWO

24

55

1

11

8

No

25

38

BCPA

6

South Miami

Suburban

Royal Palm

RBWO

9

38

2

8

12

Yes

185

40

OWPA

7

South Miami

Suburban

Royal Palm

RBWO

19

39

1

18

10

Yes

165

37

CFMA

8

Miami Beach

Park

Sabal Palm

RBWO

10

23

1

7.7

7

No

45

19

BCPA

9

Virginia Gardens

Suburban

Royal Palm

PIWO

15

39

3

13

10

No

700

35

SFPA, NAPA

10

North Miami Beach

Urban

Royal Palm

RBWO

18

39

3

15

12

Yes

85

38

OWPA

11

North Miami Beach

Urban

Royal Palm

RBWO

16

33

4

15.5

6

No

Unknown

BCPA

12

Coral Gables

Urban

Royal Palm

RBWO

10

36

2

8

7

No

115

38

RMPA

13

Bradenton

Suburban

Utility Pole

PIWO

16

27

N/A

13

10.5

No

Unknown

NAPA

14

Coral Gables

Park

Utility Pole

PIWO

7

27

N/A

7

20

Yes

Unknown

OWPA

15

Coral Gables

Botanical garden

Royal Palm

PIWO

15

34

3

12

12

No

95

28

RMPA

16

South Miami

Park

Royal Palm

RBWO

15

40

2

10

10

Yes

125

33

CFMA

17

North Miami Beach

Urban

Royal Palm

RBWO

17.5

41

3

17

8

Yes

Unknown

RMPA

18

Pinecrest

Suburban

Royal Palm

RBWO

8.9

40

2

8.8

11

Yes

140

32

OWPA

19

Ft. Lauderdale

Hammock

Royal Palm

PIWO

12.7

39

2

12.2

9

No

130

33

NAPA

20

Olympia Heights

Suburban

Royal Palm

RBWO

10.8

42

5

9.1

7

No

320

34

RMPA

21

South Miami

Suburban

Royal Palm

RBWO

10.9

41

2

10.8

8

No

90

45

RMPA

22

Coral Terrace

Suburban

Royal Palm

RBWO

6.3

34

3

3.4

8

No

65

32

RMPA

23

North Miami

Urban

Royal Palm

RBWO

6.2

33

3

5.8

10.5

Yes

275

37

OWPA

  1. Characteristics of 23 trees and cavities with observations of parrot activity during our study period. Trees are numbered in the order they were first recorded
  2. RBWO Red-bellied Woodpecker, PIWO Pileated Woodpecker, BYMA Blue-and-yellow Macaw, OWPA Orange-winged Parrot, RMPA Red-masked Parakeet, BCPA blue-crowned Parakeet, CFMA Chestnut-fronted Macaw, SFPA Scarlet-fronted Parakeet, NAPA Nanday Parakeet