They look like magic in the sky for humans.
For animals, they can feel like a bomb going off, without warning, without meaning, and with nowhere to run .
Fireworks are usually linked to joy, tradition, and shared moments. But for animals, they often mean sudden explosions, blinding flashes, and powerful vibrations that trigger fear and intense physical stress. This reaction is not about animals being “too sensitive”, it has been repeatedly observed and measured across veterinary, wildlife, and animal welfare studies.
The core problem
Most animals experience the world more intensely than humans do, especially through sound. Fireworks are loud, abrupt, and unpredictable. Animals cannot understand that these noises are harmless or temporary, so their bodies react instinctively.
Heart rate increases. Stress hormones surge. The urge to flee, hide, or freeze takes over. From an animal’s perspective, this is exactly what danger sounds like, and there is often no clear escape.
Companion animals
For many dogs and cats, fireworks are one of the most frightening experiences of the year.
During fireworks, animals often:
tremble, hide, pant, or vocalize
try desperately to escape, sometimes breaking through doors, windows, or fences
have accidents indoors or develop digestive problems linked to stress
develop long-term anxiety and noise phobias that spread to other sounds
Veterinary behavioral work describes how common these reactions are and how they can become stronger over time if not properly managed (Riemer, 2020). Physical stress has also been measured, not just observed: dogs exposed to fireworks show increased stress markers such as salivary cortisol alongside visible fear behaviors (Ramos et al., 2024) .
This helps explain why fireworks nights are often followed by spikes in lost pets, injuries, and emergency veterinary visits.
Wildlife
Wild animals suffer quietly and mostly out of sight. But the impact can be massive.
When fireworks explode at night, birds may take off suddenly in large numbers, flying higher and farther than usual. Radar tracking in the Netherlands documented these mass panic flights immediately after midnight on New Year’s Eve (Shamoun-Baranes et al., 2011). Similar large-scale disturbance has since been recorded using radar in more recent work (Wayman et al., 2023) .
Even when fireworks are launched in one location, the effects can extend far beyond it. A broader ecological analysis shows that disturbance decreases with distance but remains elevated well outside the immediate area (Hoekstra et al., 2024) .
For wildlife, the stress doesn’t always end when the noise stops. Changes in movement and resting patterns have been described as persisting after fireworks events, based on research discussed by the Max Planck Institute for Animal Behavior drawing on Conservation Letters findings .
Horses and farm animals
Being bigger does not make animals less sensitive. Horses, in particular, are flight animals. When frightened, they may bolt, collide with fences, or injure themselves, and sometimes the people trying to help them.
An academic study on horse management during fireworks describes high levels of anxiety and real injury risks when horses panic and attempt to escape (Gronqvist et al., 2016). Animal welfare reporting from the UK and elsewhere also documents serious incidents involving horses and livestock during fireworks events .
Compassionate celebrations: joy without harm
Celebrating differently does not mean celebrating less. It means choosing ways to come together that don’t cause predictable harm.
More and more communities are turning to alternatives such as:
Drone light shows with strong visual impact and minimal noise
Projection mapping on buildings and landscapes
Laser or LED light shows paired with music at safe volumes
If fireworks will happen near you
When fireworks are unavoidable, small steps can make a real difference.
Before the event
Check microchip details and ID tags
Secure doors, windows, and gardens
Prepare a quiet “safe room” with bedding and water
If possible, start gradual sound preparation weeks in advance
During fireworks
Keep animals indoors and avoid walks at peak times
Use background sound (TV, radio, white noise)
Stay calm and reassuring; never punish fear
For severe anxiety, plan ahead with a veterinarian
After
Maintain routine
Watch for lingering stress, injuries, or behavior changes
Seek professional help if fear continues
Celebration should not require suffering
Fireworks are a human tradition, but their cost is paid by animals who cannot understand, escape, or consent. Across species, patterns repeat: panic in pets, measurable stress responses, large-scale wildlife disturbance, and injury risks for horses and livestock.
At Voices for Animal Welfare, we believe joy should never come at the expense of animal welfare.
We can keep the beauty.
We can keep the celebration.
And we can choose ways that do not cause harm.
