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Reversed Birdcage Structure with Slanted Facades Overlooking Wetland Habitat

Authors:
Jeffrey Chihsin Liu, Sze Ki Teona Chan
Reversed Birdcage Structure with Slanted Facades Overlooking Wetland Habitat
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With its unique reversed birdcage design and slanted facades, the structure immerses visitors in the Al Wathba wetland ecosystem while providing essential observation points for studying native flamingo populations.
5 key facts about this project
01
Unique reversed birdcage design encourages interaction between visitors and wildlife.
02
Slanted facades provide perching spots for birds and observation points for guests.
03
Constructed with a poured concrete base to enhance stability in local soil conditions.
04
Operable facades allow for dynamic views and varied visitor experiences.
05
Located at the junction of a natural lake and an artificial wastewater treatment plant.

The Abu Dhabi Flamingo Observation Tower is located within the Al Wathba wetland reserve, an area known for its rich birdlife, especially flamingos. The design concept takes an interesting approach by reversing the idea of a birdcage. Instead of enclosing birds, the structure invites visitors to step into the habitat, promoting a better connection between people and nature. This immersive experience encourages an appreciation of the local ecosystem.

Design Concept and Layout

The design focuses on changing how visitors interact with wildlife. The observation tower is placed at the intersection of a natural lake and a wastewater treatment plant, highlighting the contrast between natural and man-made environments. Its slanted facades offer spots for birds to rest while providing vantage points for guests. The multi-level layout supports easy movement throughout the space, creating a comfortable flow for those exploring the observation areas.

Materiality and Construction

Selected materials play a crucial role in the tower's function and appearance. A poured concrete base gives it strength and stability, suitable for the specific soil conditions found in the area. The lower platform features wood-plastic composite (WPC) flooring, which is durable and allows for quick assembly. Timber columns support the staircase and upper levels, enhancing the overall structure's reliability. Steel siding wraps sections of the tower, providing weather resistance and a modern look that fits into the natural setting.

Visitor Engagement and Educational Opportunities

The design encourages visitors to engage with the wetland's ecosystem. Lounge areas and well-placed viewing points make it easier for guests to observe the landscape and its wildlife. This thoughtful arrangement allows individuals to learn about local plants and animals, highlighting the importance of conservation. By integrating educational spaces, the structure fosters a deeper understanding of the habitat’s value.

The observation tower's operable facades create a flexible environment for visitors. They offer changing views of the flamingo population while providing perches for birds. The slanted surfaces not only serve practical purposes but also add visual interest. They create an outline against the natural scenery, showing how architecture can work alongside wildlife habitats.

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The Buildner’s Unbuilt Award 2025 is an international architecture competition dedicated to recognizing and celebrating the value of unrealized architectural designs. It invites architects, designers, and students worldwide to submit visionary projects that have not yet been constructed, highlighting the power of ideas and the creativity behind the design process. By focusing on unbuilt work, the competition aims to bring forward concepts that shape the future of architecture and push the boundaries of the profession. 

Participants can compete in three categories based on project scale: Small Wonders (up to 100 m²), Medium Marvels (101–999 m²), and Large Visions (over 1,000 m²). Each category winner will receive €20,000, and additional prizes include honorable mentions, student awards, and a special Best Presentation Award. Winning projects will gain significant international exposure through Buildner’s publicity campaign and a feature article on ArchDaily, providing a unique opportunity to showcase creative ideas to a global audience. 

The Buildner’s Unbuilt Award 2025 encourages entrants to submit any type of unbuilt project, from conceptual visions to detailed designs, celebrating bold innovation without the constraints of realization. Important deadlines: registration closes on October 30, 2025; submissions are due by November 20, 2025; winners will be announced on December 17, 2025.

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