Diergaarde Blijdorp – Ibis aviary

Name of Zoo Diergaarde Blijdorp
Name of respondent Harald Schmidt
E-mail address of respondent h.schmidt@rotterdamzoo.nl

Name of Exhibit ibis aviary
Opening Date/Year 29-06-05-

1. DIMENSIONS
   a) height in m 6
   b) area in m2 200
   c) volume in m3 1200
2. SHAPE
   a) shape sides rectangular
   b) shape of top flat
3. CONSTRUCTION
   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 (specify) None
   (b) protection from main supports rotting in ground (specify ) n.a.
   4) secondary supporting structures cables
   5) lowering or removal of top when snow or severe winds expected possible No
   6) constructor External company, please specify
   Material sides
   1) solid (rock, brick wood etc) 1
   2) glass 0
   3) piano wire 0
   4) netting/mesh 3
   a) material galvanized wire (galvanized before welding)
   b) name manufacturer
   c) supplier
   d) product name
   e) opening size 2×2
   f) diameter 2.8
   g) color black
   h) configuration knotted
   i) how is netting/meshing attached to aviary structure?
   j) visibility through net/mesh unsatisfactory
   k) water resistance unsatisfactory
   l) UV resistance unsatisfactory
   Material top
   1) Same as sides yes If yes, continue to 4. Visibility
   2) Not same as sides a) name manufacturer
   b) supplier
   c) name product
   d) material material – please choose one
   e) configuration configuration – please choose one
   f) opening size
   g) diameter
   h) color
   i) water resistance water resistance – please choose one
   j) UV resistance UV resistance – please choose one
4. VISITOR VIEWING
   a) walk through / walk in yes
   b) barriers between public and birds rails
   c) other special features to enhance viewing possibilities, specify None
5. ENTRANCES AND EXITS
   a) service i. double doors with area between no
   ii. through attached building yes
   iii: please describe how you bring in large enclosure furnishings that are too large to be brought through the doors
   b) visitor single door plus curtain
   c) curtains flexible plastic strands
6. WATER AREA
   a) % surface area water (versus land) 40
   b) frequency of drainage and cleaning
   c) type of water please choose one
   d) filtration system please choose one
   e) depth in cm i. minimum
   ii. maximum
   iii. % surface area < 20 cm
7. SUBSTRATES
   a) sand 10 % area
   b) grass 40 % area
   c) dirt % area
   d) rocks % area
   e) visitor path 10 % area
   f) other % area
8. VEGETATION
   a) grass/other herbacious plants < 20 cm high cover 40 % area b) herbacious plants/shrubs 20 cm- 1m high cover 10 % area c) herbacious plants/shrubs/trees 1 m-3 m high cover 10 % area d) number of coniferous trees > 3 m high 0
   e) number of deciduous trees > 3 m high 2
   f) are there any plants you would recommend for aviaries?
   g) are there any plants that have been problematic in this aviary?
9. PREDATOR PROTECTION
   a) electric fence inside no cm high
   b) electric fence outside no cm high
   c) different type meshing along bottom no cm high
   d) plastic along perimeter no cm high
   e) concrete under ground no cm deep
   f) other (specify)
10. SUPPLEMENTAL LIGHTING
    supplemental lighting outside no
11. PERMANENT INTRODUCTION/CATCHING AREA PRESENT
    Introduction and/or catching area present no
12. INDOOR ENCLOSURE
    a) attached to aviary yes
    b) dimensions i. length 4
    ii. width 6
    iii. Height 4
    c) average number of nights used per year
    d) average number of days used per year
    e) direct access to main outside enclosure yes
    f) direct access to alternative outdoor area no
    g) substrates (specify) concrete
    h) usable water area present for bathing yes
    i) possibility to subdivide area if need to no
    j) keeper access area not shared by birds yes
    k) natural sunlight received yes
    l) number of hours of artifical light
    m) heating supplied please choose one
    n) please describe ventilation system
    o) visitor viewing yes
13. SPECIES
    a) species currently held (if possible also historically) list
    b) species not held successfully
    c) reason per species (please list species below) i. escape
    ii. incompatibility
    iii. health issues
    iv. stress
    v. accidents (e.g. collisions)
    vi. other
14. PROBLEMS
    Problems with:
    a) Indigenous bird species entering enclosure no
    b) Predation in enclosures please choose one
    c) Aviary withstanding winds experienced please choose one
    d) Aviary withstanding snow experienced please choose one
    e) Excessive mortality and or accidents with one or more species please choose one
    f) other health issues, e.g. foot lesions please choose one
    g) frequent replacement or repair of materials please choose one
    h) husbandry issues e.g. cleaning, heating, moving birds please choose one
15. DISSATISFACTION
    a) Visitor please choose one
    b) Keeper please choose one
16. COSTS (in EUR)
    a) Design
    b) Materials and labor
    c) Maintenance (e.g. replacement of netting etc.)
    d) Were there any choices made/possibilities to reduce costs?
17. ENCLOSURE DATA SUBMISSION
    a) Contact person Steven van den Heuvel
    b) data submitted 16-02-12