Great Southern Bioblitz

Next date: Friday, 27 November 2026 | 12:00 AM to Monday, 30 November 2026 | 11:59 PM

Community members using the iNaturalist app on their phones to register plants in a reserve

The Great Southern Bioblitz is a global citizen science event that encourages the community to get involved in documenting wild flora and fauna over a four day period, to help scientists better understand and protect our environment.

Come explore, discover and learn about the rich biodiversity that Maroondah is home to.

Prepare for the Great Southern Bioblitz

Download the iNaturalist app.
Get familiar with recording observations and sharing with the iNaturalist community.
Participate! Attend our nature discovery activities or make observations on your own.

Get involved

To take part in the Great Southern Bioblitz, simply use iNaturalist to record observations in your backyard, your street, your local park or creek anytime during the four days of the challenge. Better still, download iNaturalist beforehand, and get familiar with using it so that when the Great Southern Bioblitz begins, you are ready to go!

Nature discovery activities

Maroondah City Council will host nature discovery activities during the four days of the Great Southern Bioblitz.

Nature Discovery - with a focus on reptiles

Saturday, 28 November 2026 | 09:00 AM to 11:00 AM

David De Angelis, professional ecologist, will help you discover and learn about local reptiles living in Maroondah.

Hochkins Ridge Flora Reserve, 23 Neuparth Rd, Croydon North 3136

Tagged as: , Council run event, Environment, Natural environment

Nature Discovery - with a focus on arachnids

Saturday, 28 November 2026 | 06:30 PM to 08:30 PM

Ben Kurek will help you discover and learn about some of the spiders living in Maroondah. This nature discovery activity is part of the City Nature Challenge.

Candlebark Walk Reserve, 11 Bowness Ct, Croydon Hills 3136

Tagged as: , Council run event, Environment, Natural environment

Nature Discovery - with a focus on birds

Sunday, 29 November 2026 | 08:00 AM to 10:00 AM

Discover the native birds that call Maroondah home on a guided walk through Bungalook Conservation Reserves.

Bungalook Conservation Reserve, 7 Tereddan Drive, Kilsyth South 3137

Tagged as: , Council run event, Environment, Natural environment

Results from previous challenges

Great Southern Bioblitz 2025

Maroondah participated in the Great Southern BioBlitz from Friday 24 November to Monday 27 November 2025.

Southern Hemisphere results (216 participating cities/regions)

262,761 observations
27,739 species
4,232 observers

Maroondah results (3rd overall)

913 observations
275 species
42 observers

Great Southern Bioblitz 2024

Maroondah participated in the Great Southern BioBlitz from Friday 20 to Monday 23 September 2024.

Southern Hemisphere results

261,372 observations
26,115 species
8,510 observers

Maroondah results

568 observations
260 species
50 observers

Great Southern Bioblitz 2023

Maroondah participated in the Great Southern BioBlitz from Friday 24 November to Monday 27 November 2023.

Southern Hemisphere results (205 participating cities/regions)

217,767 observations
32,758 species
6,860 observers

Maroondah results (87th overall)

592 observations (8th of the participating metropolitan Melbourne councils)
284 species
34 observers

Top 5 most observed species in Maroondah

Common Brown (Heteronympha merope)
Pacific Black Duck (Anas superciliosa)
Australian Magpie (Gymnorhina tibicens)
Prickly Currant-Bush (Coprosma quadrifida)
Noisy Miner (Manorina melanocephala)

Great Southern Bioblitz 2022

Maroondah participated in the Great Southern BioBlitz from Friday 28 October to Monday 31 October 2022.

Southern Hemisphere results (222 participating cities/regions)

215,044 observations
23,667 species
6,164 observers

Maroondah results (78th overall)

493 observations (4th of the participating metropolitan Melbourne councils)
217 species
28 observers

Top 5 most observed species in Maroondah

Australian Magpie (Gymnorhina tibicens)
Australian Wood Duck (Chenonetta jubata)
Laughing Kookaburra (Dacelo novaeguineae)
Noisy Miner (Manorina melanocephala)
Chocolate Lily (Arthropodium strictum)

Great Southern Bioblitz 2021

Maroondah participated in the Great Southern BioBlitz from Friday 22 October to Monday 25 October 2021.

Southern Hemisphere results

183,125 observations
20,987 species
5,763 observers

Maroondah results

668 observations (6th of the metropolitan Melbourne councils)
326 species
31 observers

Top 5 most observed species in Maroondah

Chocolate Lily (Arthropodium strictum)
Hop Goodenia (Goodenia ovata)
Showy Daisy-Bush (Olearia lirata)
Milkmaids (Burchardia umbellata)
Australian Wood Duck (Chenonetta jubata)

Further information

For more information visit the Great Southern Bioblitz website.

Interested in hearing about future activities?

Register your interest to keep informed for this event and similar citizen science activities that we may run in the future.

When

Friday, 27 November 2026 | 12:00 AM - Monday, 30 November 2026 | 11:59 PM

Location

Nature discovery activities take place in and around Maroondah throughout the Great Southern Bioblitz.

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Event summary

Cost

Free

Contact

Great Southern Bioblitz (GSB)

www.greatsouthernbioblitz.org

iNaturalist

The iNaturalist app allows you to share photos and/or sounds of local biodiversity with the iNaturalist community, and take part in citizen science events.

Find out more