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Scabies (cutaneous acariasis) of the albatross
Mange, also called cutaneous acariosis, is a skin disease caused by tiny mites that live in or on the bird's skin. In the wandering albatross, this condition remains rare but has been reported in certain breeding colonies, notably on sub-An...
What is it?
Mange, also called cutaneous acariosis, is a skin disease caused by tiny mites that live in or on the bird's skin. In the wandering albatross, this condition remains rare but has been reported in certain breeding colonies, notably on sub-Antarctic islands. Mites irritate the skin, cause scabs and can weaken the bird if the infestation becomes significant.\nThis disease mainly affects areas of the body sparsely covered with dense feathers, such as the head, neck or legs.
Key point
The wandering albatross is a vulnerable species whose populations are already weakened; Any disease affecting chicks or reducing reproductive success is closely monitored by conservation programs.
Commonly observed signs
These signs are neither exhaustive nor specific. Only a veterinarian can establish a diagnosis.
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The most visible signs are thick crusts and scales on the skin, often around the beak, eyes, legs or under the wings.\nThe bird may appear irritated, rubbing or preening excessively in affected areas.\nOver time, featherless patches may appear, the skin becomes thicker and sometimes grayish or blackened.\nHeavily affected birds lose weight and appear weak, as the energy spent scratching and to general discomfort reduces their ability to feed and brood properly.
When to consult without delay
This list does not replace veterinary advice. It gathers situations that justify a prompt consultation.
Causes and risk factors
The disease is caused by the presence of specific mites that burrow or colonize the surface layer of the skin. These parasites feed on skin debris and cause a local inflammatory reaction.\nIn seabirds like the albatross, constant humidity, proximity to nests and prolonged contact between individuals in a colony favor the transmission of mites from one bird to another.
Young birds, otherwise weakened individuals (disease, malnutrition, injury) and those living in very dense colonies are more exposed.\nClose contact between chicks and adults at the nest, as well as the humid climatic conditions of sub-Antarctic nesting sites, increase the risk of spread between individuals.
Transmission
Transmission occurs mainly by direct contact between birds, particularly between an adult and its chick, or between neighboring birds in a dense colony. Contaminated nest material may also play a role.
Diagnosis and care
Diagnosis is the veterinarian's responsibility, based on clinical examination and laboratory tests. Care is decided case by case.
The diagnosis is based on careful examination of the skin and feathers by a veterinarian specializing in wildlife. A skin sample (surface scraping) allows the mites or their eggs to be observed under a microscope and the diagnosis to be confirmed.\nAs part of conservation programs, these examinations are carried out by specialized teams during occasional captures for colony monitoring.
Treatment
Treatment uses external antiparasitics suitable for birds, chosen and administered only by a veterinarian competent in wildlife. Local skin care may accompany treatment to soothe inflammation and promote healing of lesions.
Treatment depends on the cause and the animal's condition: it must be determined by a veterinarian. No self-medication.
Prevention
There are no specific preventive measures applied in the wild for this species. Monitoring colonies by conservation teams makes it possible to identify affected birds early and limit the spread in the event of an outbreak identified. In a controlled environment or care center, isolation of infested birds and good environmental hygiene reduce the risk of transmission.
Possible complications
A severe, untreated infestation can lead to general weakening, significant weight loss, and greater vulnerability to secondary skin infections. In chicks, this can compromise growth and survival.
When to see a veterinarian
Presence of unusual scabs or skin patches on a bird observed in a colony or care center.\nRepeated and unusual scratching or rubbing.\nWell-demarcated areas without feathers, especially in a chick.\nWeight loss or weakness associated with skin lesions.
Prognosis
The prognosis is generally favorable for birds treated early and cared for by specialists. Without intervention, an extensive infestation can worsen the general condition of the bird, especially in already fragile young ones.
Frequently asked questions
Can albatross mange be transmitted to humans?
No, the mites responsible for this mange are specific to seabirds and are not known to infest humans.
Is this disease common in the wandering albatross?
It remains rare and is only occasionally documented in certain colonies, often during health monitoring carried out by conservation teams.
Can an affected wild albatross recover on its own?
Mild cases can sometimes resolve, but a marked infestation requires treatment by wildlife specialists to avoid weakening the bird.
How do you spot a sick albatross in a colony?
Observers look for areas of featherless skin, visible scabs, or unusual scratching behavior during regular colony surveys.
References
WOAH — Organisation mondiale de la santé animale (ex-OIE)
Content reviewed by the TunisieVet editorial team · Updated 11 August 2026
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