About
Noticing birds changes how you see the world.
Weekend Birder explores the fascinating lives of Australian birds through noticing, stories and science in everyday places. Created by Kirsty Costa, it opens birdwatching up to anyone who’s curious. Through conversations with scientists and birdwatchers, practical guides and shared experiences, Weekend Birder encourages people to slow down and discover the birds around them.
About Kirsty
Kirsty Costa is a communications strategist, public speaker and host of Weekend Birder, one of Australia’s much-loved science and nature podcasts.
She works at the intersection of conservation, storytelling and community engagement - helping people notice birds, understand ecology and feel more connected to the living world around them.
Through conversations, media and public events, Kirsty translates everyday encounters with nature into stories and ideas that inspire curiosity and care. She appears regularly in national media as a trusted voice on birds, wildlife and everyday science.
Media
Kirsty is a regular radio guest and contributes to television, print and online media. As a communicator on everyday birds, nature and ecology, she translates complex information into clear, engaging language. She is experienced in live interviews, pieces to camera, talkback, written pieces and social media. Through her own established platforms, she also offers collaborative amplification and audience reach.
Speaking and keynotes
Kirsty provides thoughtful, research-informed talks about Australian birds, ecology and how attention changes the way we experience the world. She has presented nationally at conferences, festivals and community events, sharing stages with environmental leaders including Al Gore, David Suzuki and Tim Flannery. Her talks are structured, clear and grounded in warmth - leaving audiences steadier, more curious and more connected to place.
MC and panel hosting
Kirsty is a calm and confident moderator for nature, science, conservation and community events. She links ideas across speakers, asks precise questions and creates conversations that feel generous and purposeful. Guests feel supported and audiences feel included.
Workshops and guided experiences
Kirsty facilitates interactive workshops and guided birdwatching experiences designed to build observation skills and reconnect people with the living world. A qualified teacher and former Victorian Environmental Educator of the Year, she combines best-practice design with experiential learning, scientific insight and a welcoming presence.