Arizona Predator Watch

Delisting proposals and recovery status of wolf populations

Delisting proposals and recovery status of wolf populations

Wolf Recovery and Policy Debate

North America's Carnivore Conservation in 2026: Progress, Challenges, and Emerging Developments

As 2026 unfolds, North America stands at a crucial crossroads in its efforts to conserve and recover iconic large carnivores such as wolves, jaguars, and mountain lions. While notable progress has been made in population growth and ecological resilience, recent developments highlight ongoing legal battles, infrastructural threats, cross-border cooperation, and innovative conservation strategies. These dynamics underscore both nature’s remarkable adaptability and the persistent human-induced pressures that threaten long-term stability.

Renewed Delisting Efforts for Gray Wolves Versus Legal Resistance

A prominent theme this year has been the renewed push by congressional proponents to delist Northern and Rocky Mountain gray wolves from the Endangered Species Act (ESA). Several legislative bills have been introduced, arguing that recent population surveys indicate wolf numbers now meet or exceed thresholds deemed sustainable. Supporters contend that state and tribal agencies can better manage hunting quotas, habitat preservation, and conflicts, promoting more localized, effective management.

However, these efforts are met with strong legal opposition. Courts have increasingly emphasized that delisting decisions must be rigorously supported by scientific evidence. Conservation groups such as the Center for Biological Diversity (CBD) have challenged the US Fish and Wildlife Service (USFWS), warning that premature delisting could lead to population declines, habitat degradation, and ecological imbalance. Judicial injunctions have temporarily halted many delisting initiatives, reinforcing the principle that science-based policies are essential for sustainable recovery.

Mexican Gray Wolf: Progress Amidst Challenges

The Mexican gray wolf, North America’s most endangered gray wolf subspecies, has seen cautious progress this year. Captive breeding programs, habitat restoration, and community engagement have contributed to a gradual increase in wild populations. The birth of five pups in Carlsbad, New Mexico signals renewed hope, especially as plans are underway to foster these pups into wild habitats in Arizona—a testament to ongoing cross-border cooperation.

Despite these advances, genetic diversity remains a critical concern. Limited gene pools risk inbreeding depression, which could undermine long-term viability. Threats such as illegal killings, habitat fragmentation, and dispersal barriers persist. To address this, agencies have intensified vaccination campaigns, health monitoring, and disease prevention efforts, including vaccine administration and IV treatments to bolster individual resilience.

"These fostered pups symbolize hope for the subspecies, but addressing genetic health and illegal threats is essential for lasting recovery," said a wildlife veterinarian involved in the program.

Expanding Wolf Populations and Their Fragile Gains

In the Northern Rockies and broader Rocky Mountain region, wolf populations have experienced significant growth, now estimated to exceed ecological thresholds in several areas. These successes reflect effective conservation policies, habitat protections, and outreach efforts to local communities. Some zones are approaching or surpassing carrying capacity, marking important recovery milestones.

However, these gains remain fragile. Threats include illegal poaching, habitat loss from infrastructure development—particularly roads and energy projects—and policy reversals. Of particular concern are border infrastructure projects, especially along the U.S.-Mexico border, where border wall and fence expansion fragment dispersal corridors. These physical barriers disrupt natural dispersal routes, risking local extirpations, genetic isolation, and reduced gene flow among populations.

Habitat Connectivity: Projects, Threats, and Innovations

Efforts this year have prioritized maintaining and restoring habitat connectivity through various innovative infrastructure and landscape management initiatives:

  • The US Highway 93 wildlife overpasses in northern Arizona have proven highly effective, facilitating dispersal for desert-adapted species and serving as a model for large carnivore movement.
  • The South Mountain habitat restoration project near Phoenix involves invasive species removal, habitat enhancements, and corridor protection.
  • Collaborations with utility companies like Arizona Public Service (APS) aim to create protected habitats along utility corridors, benefiting multiple species, including wolves.

Despite these positive steps, the expansion of border fences and walls continues to fragment ecosystems. These barriers not only physically block dispersal but also fragment habitats, increasing the risk of local extirpations and reducing genetic exchange, which are vital for species resilience.

Innovative Solutions and Community Initiatives

Additional projects focus on reducing wildlife-vehicle collisions and enhancing landscape connectivity:

  • The RTA Next plan in Tucson has allocated up to $55 million to integrate transportation infrastructure with ecological resilience, emphasizing wildlife corridors, habitat restoration, and urban planning.
  • The Pima County Sustainable Development and Conservation Program (SDCP) has launched initiatives such as wildlife-crossing corridors and public awareness campaigns to promote coexistence and mitigate conflicts.

Regional Movements and Human-Wildlife Encounters

Jaguars: A Rare but Significant Presence

A verified jaguar sighting in southeastern Arizona in late November marked only the fifth confirmed recent sighting in decades. Captured via trail camera, this male jaguar underscores the importance of riparian corridors like the San Pedro River in facilitating dispersal into the U.S. Southwest. Such sightings reinforce the urgency of protecting and restoring ecological corridors, especially as urbanization accelerates and habitat fragmentation persists.

Mountain Lions and Ecosystem Dynamics

Mountain lions continue their northward and eastward expansion across Arizona and neighboring states. Their movements highlight the importance of large, connected landscapes, conflict mitigation, and public awareness campaigns aimed at reducing human-wildlife conflicts.

Rising Human-Wildlife Incidents

As urban development encroaches further into natural habitats, incidents involving wildlife encounters are increasing:

  • Bobcat attacks at trailheads like the Peralta Trailhead in the Superstition Mountains have prompted trail closures and safety advisories.
  • Bear sightings near zones such as Madera Canyon have led to public alerts and patrols; many bears are attracted by food sources and habitat disturbance.
  • Pets remain vulnerable, emphasizing the need for public education on securing trash, supervising outdoor pets, and maintaining safe distances.

These incidents highlight the urgent need for community engagement and coexistence strategies to foster harmonious human-wildlife relationships.

Policy Landscape: Threats and Long-term Implications

Legislative and Land Protection Threats

In early 2026, conservation groups issued warnings about legislative proposals aimed at reducing protections for national monuments and public lands. The report "Congressional Attack Coming to National Monument Protections, Local Communities and Businesses Outraged" details efforts to shrink monument boundaries and weaken protections, which could fragment habitats, disrupt dispersal corridors, and undermine ecosystem health.

The ‘Roadless Rule’ and Land Use Policies

In August 2025, the USDA announced a notice of intent to repeal the Roadless Area Conservation Rule, enacted in 2001 to safeguard millions of acres of pristine, roadless national forest lands. The potential rollback threatens to open these areas to logging, mineral extraction, and infrastructure development, further fragmenting critical habitats vital for wide-ranging species like wolves and jaguars. Experts warn that removing protections could take decades to reverse, with long-lasting ecological impacts.

Border Infrastructure and Ecological Connectivity

New reports emphasize the long-term ecological consequences of US-Mexico border wall expansion. Construction and poorly managed border crossings threaten to take up to 100 years to restore ecological connectivity in the region. These barriers limit dispersal, reduce gene flow, and increase the risk of local extirpations, hindering recovery efforts for wide-ranging carnivores.

Cross-Border Cooperation and Innovation

Stakeholder Programs and Community Engagement

A significant development is the expansion of the County Livestock Loss Authority (CLLA), which now accepts claims related to wolf depredation. This program encourages stakeholder cooperation, offering economic incentives to reduce illegal killings and build trust between ranchers and conservationists.

Transboundary Rewilding Initiatives

A recent seminar hosted by the School of Natural Resources and the Environment titled "Protect, restore, and rewild the biodiversity of the U.S.-Mexico borderlands" emphasizes the importance of transboundary cooperation. Initiatives focus on restoring ecological corridors, rewilding degraded landscapes, and coordinating policies—recognizing that species dispersal and habitat connectivity require joint governance.

However, approximately 50 border openings in Mexico—such as gates and crossings—offer limited hope for wildlife migration. Many are temporary or poorly managed, failing to provide the connectivity necessary for wide-ranging species and thereby exacerbating habitat fragmentation.

Broader Connectivity and Outreach

The "Connecting Wildlife Habitat in a Fragmented World" video offers an expansive perspective on the importance of landscape connectivity. It underscores that restoring and maintaining ecological corridors is vital for the survival of wide-ranging species amid increasing habitat fragmentation, urban expansion, and infrastructure development.

Regional Species Notes and Emerging Trends

  • Jaguars: The verified sighting in southeastern Arizona underscores the importance of riparian and wilderness corridors. This rare occurrence emphasizes the potential for natural dispersal when habitats are protected.
  • Mountain Lions: Their northward and eastward range expansion continues, demonstrating species resilience when large, connected landscapes are maintained.
  • Human-Wildlife Incidents: As urban areas extend into wildlands, incidents involving wildlife encounters are rising, necessitating public education on coexistence and safety.

Summary and Future Outlook

While wolf populations in the Northern Rockies and other regions continue to expand and stabilize, the threats of habitat loss, illegal poaching, policy reversals, and infrastructural barriers pose significant risks to these gains. The sighted jaguar and mountain lion movements exemplify nature’s resilience, provided that habitat connectivity is preserved.

Conversely, policy threats such as the rollback of the Roadless Rule and border wall expansions threaten to undermine conservation efforts, fragment dispersal routes, and reduce genetic diversity, potentially reversing decades of progress.

The Path Forward

The year 2026 highlights that urgent, coordinated action rooted in science, community engagement, and policy support is essential. Securing ecological corridors, enforcing protections, and fostering coexistence will determine whether North America’s large carnivores will continue their recovery or face regression.

The resilience of these species offers hope, but safeguarding their future hinges on adaptability, collaborative governance, and political will. As ecosystems face mounting human pressures, the imperative remains clear: protecting North America’s rich carnivore heritage is vital—for ecological integrity and the health of our shared environment—today and for future generations.

Sources (6)
Updated Feb 24, 2026