Diergaarde Blijdorp – Vulture aviary

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

Name of Exhibit Vulture aviary
Opening Date/Year 01-07-10-

1. DIMENSIONS
   a) height in m 10
   b) area in m2 2800
   c) volume in m3 28000
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 metal, specify type
   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 please choose one
   Material sides
   1) solid (rock, brick wood etc) 0
   2) glass 0
   3) piano wire 0
   4) netting/mesh 4
   a) material nylon
   b) name manufacturer
   c) supplier
   d) product name
   e) opening size 5×5
   f) diameter 7
   g) color black
   h) configuration knotted
   i) how is netting/meshing attached to aviary structure?
   j) visibility through net/mesh excellent
   k) water resistance excellent
   l) UV resistance excellent
   Material top
   1) Same as sides no If yes, continue to 4. Visibility
   2) Not same as sides a) name manufacturer
   b) supplier
   c) name product
   d) material nylon
   e) configuration knotted
   f) opening size 10×10
   g) diameter 14
   h) color Black
   i) water resistance excellent
   j) UV resistance excellent
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 shelter viewing area
5. ENTRANCES AND EXITS
   a) service i. double doors with area between yes
   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
   b) visitor double swing door with space in between
   c) curtains none
6. WATER AREA
   a) % surface area water (versus land) 10%
   b) frequency of drainage and cleaning
   c) type of water running
   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 60% area
   c) dirt % area
   d) rocks 10 % area
   e) visitor path 10 % area
   f) other % area
8. VEGETATION ((TOTAL 100%?!)
   a) grass/other herbacious plants < 20 cm high cover 60 % area b) herbacious plants/shrubs 20 cm- 1m high cover 20 % area c) herbacious plants/shrubs/trees 1 m-3 m high cover 0 % area d) number of coniferous trees > 3 m high 0
   e) number of deciduous trees > 3 m high 12
   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 please choose one 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
    ii. width
    iii. Height
    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)
    h) usable water area present for bathing please choose one
    i) possibility to subdivide area if need to please choose one
    j) keeper access area not shared by birds please choose one
    k) natural sunlight received please choose one
    l) number of hours of artifical light
    m) heating supplied please choose one
    n) please describe ventilation system
    o) visitor viewing no
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 yes, specify jackdaw
    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