Gaiazoo – South-America aviary

Name of Zoo: Gaiazoo
Name of respondent: H. Verberkmoes
E-mail address of respondent: h.verberkmoes@gaiazoo.nl
Name of Exhibit: South-America aviary
Opening Date/Year: 01-01-05

Height in m: 11
Area in m2: 2400
Volume in m3: 23000

Shape sides: rectangular

Shape of top: multiple peaks

Frame
1) placement main support structures: inside (e.g. tent-like) 
2) materials main support: untreated wooden poles
3) special supports/protection for:
(a) interface net/mesh and main support: None
(b) protection from main supports rotting in ground: Concrete tank around poles
4) secondary supporting structures: cables
5) lowering or removal of top when snow or severe winds expected possible: No
6) constructor: In-house

Material sides
1) solid (rock, brick wood etc): 0
2) glass: 0
3) piano wire: 0
4) netting/mesh: 4
a) material: propropylene
b) name manufacturer: Huck Torimex Katwijk aan Zee
c) supplier:
d) product name: proprylen modufiel
e) opening size: 4,5×4,5
f) diameter: 6.4
g) color: black
h) configuration: chain link
i) how is netting/meshing attached to aviary structure? net is attached to cables and these cables are vastgemaakt on the poles
j) visibility through net/mesh: excellent
k) water resistance: excellent
l) UV resistance: excellent

  Material top
1) Same as sides: yes

Walk through / walk in: yes , please specify number of sides for visitor viewing:
Barriers between public and birds: rails
Other special features to enhance viewing possibilities: evelling landscape

Service:

i. double doors with area between: no
ii. through attached building: no
iii: please describe how you bring in large enclosure furnishings that are too large to be brought through the doors: extra gate to let construction material in

Visitor: single door plus curtain
Curtains: ropes

% surface area water (versus land): 20
Frequency of drainage and cleaning: 1-2x a week
Type of water: no circulation through park
Filtration system:
Depth in cm:

i. minimum: 10
ii. maximum: 80
iii. % surface area < 20 cm: 40

Sand:  10
Grass: 50
Dirt:
Rocks:
Visitor path: 20
Other:

Grass/other herbacious plants < 20 cm high cover:  50
Herbacious plants/shrubs 20 cm- 1m high cover:  10
Herbacious plants/shrubs/trees 1 m-3 m high cover: 10
Number of coniferous trees > 3 m high:
Number of deciduous trees > 3 m high: 30
Are there any plants you would recommend for aviaries?:  Plants that stay green yearround
Are there any plants that have been problematic in this aviary?: no

Electric fence inside: no
Electric fence outside: yes 100
Different type meshing along bottom: yes 100
Plastic along perimeter: no
Concrete under ground: no
Other (specify):

Supplemental lighting outside: no

Introduction and/or catching area present: yes

Attached to aviary: yes
Dimensions:

i. length:
ii. width:
iii. Height:

Average number of nights used per year: 160
Average number of days used per year: 90-120
Direct access to main outside enclosure: yes
Direct access to alternative outdoor area: yes
Substrates (specify): concrete with sand
Usable water area present for bathing: yes ibis spoonbill
Possibility to subdivide area if need to: yes
Keeper access area not shared by birds: yes
Natural sunlight received: yes
Number of hours of artifical light: 8
Heating supplied: standing radiators
Please describe ventilation system: no ventilation only holes in walls
Visitor viewing: no

Species currently held (if possible also historically) list:
Species not held successfully: oropendola, seriema’s, trompetvogels, bosrallen
Reason per species (please list species below)
i. escape: trompetvogels
ii. incompatibility: seriema’s too big, scary for visitors
iii. health issues:
iv. stress:
v. accidents (e.g. collisions): bosrallen were eaten eggs from other species
vi. other: oropendola predators high mortality rate

Problems with: 
Indigenous bird species entering enclosure: yes, specify sparrow
Predation in enclosures:  yes, specify previously rats, 1 tima a marter
Aviary withstanding winds experienced: yes
Aviary withstanding snow experienced: yes
Excessive mortality and or accidents with one or more species: no
Other health issues, e.g. foot lesions: yes, specify ibis spoonbill bumblefeet
Frequent replacement or repair of materials:  yes, specify The shelves of the visitor path need to be changed reguarly
Husbandry issues e.g. cleaning, heating, moving birds: no

Visitor: No
Keeper: yes, specify: Connection to indoor enclosure is small.This means that all the animals have to pass through 1 small gate

Design: N.A.
Materials and labor: 200.000 euro
Maintenance (e.g. replacement of netting etc.): N.A.
Were there any choices made/possibilities to reduce costs? None

Data submitted: 23-02-12 (Steven van den Heuvel)