In the digital era, the confrontation with invasive species is no longer confined to ecological battlegrounds but has expanded into the realm of social media. A recent groundbreaking study analyzing over half a million tweets from 2006 to 2021 reveals how public discourse on invasive species has unfolded on Twitter, the platform now known as X since 2023. This research offers an unprecedented lens into the intersection of ecological issues and digital communication, providing vital insights into how society perceives and engages with biological invasions.
Conducted by an international consortium of researchers, including ecologists from Penn State University, the study was published in the prestigious journal Ecology & Society. The team leveraged sophisticated data mining and statistical analysis techniques to examine the language, topics, key influencers, and geographic focus areas within the vast dataset of tweets containing the phrase “invasive species.” The findings underscore not only which species dominate public conversation but also how certain social actors shape the narrative around invasive species management.
One of the most striking revelations from the study is the disproportionate focus on mammals, especially common urban invaders such as cats, pigs, and squirrels. Despite being beloved by many as pets or urban wildlife, these mammals dominate online discussions far more than plants or insects, which often pose far greater ecological threats. The skew in public discourse raises critical questions about the alignment—or lack thereof—between scientific priorities and societal attention in the realm of invasive species management.
Dr. Deah Lieurance, assistant professor specializing in invasive species biology at Penn State, emphasized the profound economic and ecological consequences of invasive species, which have inflicted an estimated $1.26 trillion in damages across North America over the past five decades. She noted that addressing invasive species represents a compelling social challenge alongside its biological complexity, underscoring the need to understand not only the messages being disseminated but also the voices behind those messages.
Intriguingly, the study found that a mere 1% of Twitter users were responsible for 60% of all retweeted content regarding invasive species. This concentration of influence is significant, as it spotlights how a small cohort of voices—including scientists, conservation organizations, celebrities, political figures, and activists—can steer public perception on ecological topics. Notably, posts by high-profile individuals such as YouTuber Logan Paul and former Senator Al Franken catalyzed engagement spikes around invasive species like lionfish and Asian carp.
Leading author Susan Canavan from the University of Galway regarded the pattern of concentrated influence as a pivotal factor in shaping how millions understand invasive species issues. The research reveals that the formats and messengers of information—beyond just the core content—play a pivotal role in molding public awareness, thereby informing future conservation communication strategies and policymaking.
Florida and the Great Lakes region emerged as focal points in the dataset, highlighting them as geographic hotspots of invasive species concern within the United States. Hashtags such as #ProtectCleanWater and #InvasiveSpeciesWeek gained traction, mobilizing online communities in support of invasive species management initiatives. These geographic and thematic indicators provide invaluable clues for targeting public engagement and resource allocation.
A notable paradox uncovered in the study relates to the concept known as “plant blindness”—the tendency for the public to overlook plants relative to more charismatic animal species. Although 57% of endangered species are plants and invasive plant species often inflict devastating damage on ecosystems, they command less than 4% of conservation funding. This disparity is mirrored and potentially exacerbated by the patterns of social media discourse, where plants received scant attention compared to mammals.
The research pointed out that despite invasive plants’ ecological significance, their invisibility in public conversations severely hampers funding and support for their management. This invisibility creates a vicious cycle, where limited public awareness yields insufficient resources, further compromising conservation efforts aimed at controlling invasive flora.
Media outlets also play a crucial role in shaping public engagement, as demonstrated by spikes in Twitter activity following news articles proposing innovative or sensational solutions to invasive species problems. For example, ideas such as turning lionfish and feral hogs into edible resources captured the public imagination. Studies showed that vivid and evocative language—such as describing tsunami debris as a “dirty needle” injecting invasive species into ecosystems—helped these narratives resonate more strongly with audiences.
The researchers advocate for a strategic harnessing of social media platforms as essential tools in contemporary conservation efforts. By dissecting the elements that attract public attention, scientists and policymakers can craft more effective communication strategies to align societal perceptions with ecological realities. Understanding who the influencers are and what stories gain traction provides a roadmap for engaging broader audiences beyond traditional scientific circles.
Dr. Canavan highlighted that their empirical analysis moves beyond anecdotal understanding of public responses to conservation topics. The team’s work quantitatively captures the species and narratives that resonate with lay audiences, warning that losing access to platforms like Twitter for such data could leave scientists blind to critical public perspectives in future endeavors.
Though shifts in platform dynamics pose challenges, there is optimism about emerging alternatives where scientific communities are coalescing around more collegial and data-accessible spaces. Dr. Lieurance observed that these venues attract researchers seeking constructive dialogue and new opportunities for engagement, suggesting an evolving landscape ripe for ongoing investigation.
This study, funded by the Czech Science Foundation and involving a diverse international author team, epitomizes the integration of ecological science with advanced data analytics and social science perspectives. It illuminates the complex web of factors influencing public understanding and management of invasive species, providing actionable insights to shape conservation policy in an increasingly interconnected digital world.
Subject of Research: People
Article Title: From habitats to hashtags: examining online discussions about invasive species
News Publication Date: 24-Oct-2025
Web References: http://dx.doi.org/10.5751/ES-16508-300413
References: Ecology & Society, DOI 10.5751/ES-16508-300413
Keywords: Community ecology
