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Thursday, June 20, 2024

Dim your light for migratory birds, Nigerians urged

The conservation of birds in Nigeria was once again brought to the fore as a major concern among conservationists, stakeholders and students when the Nigerian Conservation Foundation (NCF) hosted the World Migratory Bird Day (WMBD) on Friday, May 13, 2022, at the Lekki Conservation Centre in Lagos.

World Migratory Bird Day
L-R: Mr. Adeyemi Adewunmi, Asst Director of Forestry Services, Lagos State Ministry of Agric; Dr. Stella Egbe, Species Prog Lead, NCF; Mr Uche Achunine, Director of Business Development and Communication, NCF; Dr Soladoye Iwajomo, Senior Lecturer, Dept of Zoology, University of Lagos; Dr Joseph Onoja, Director of Technical Prog, NCF; and Mr Abdulmalik Ogizi, Rep of Federal Ministry of Environment at the commemoration of World Migratory Bird Day 2022 held at Lekki Conservation Centre, Lagos on Friday, May 13

The World Migratory Bird Day is an annual event used to raise awareness on bird migration and the importance of protecting the flyways (which is the route they utilise for these trips), and habitats utilised by birds during this seasonal experience. Migration is a regular and seasonal movement of birds between their breeding sites, which is where they give birth to their young and their wintering sites.

The North to the Southern ends of Nigeria always host these wintering birds, thus, in addition to raising awareness for protecting habitats for resident birds, the organisation does same for these migrants.

Director General of NCF, Dr. Muhtari Aminu-Kano, represented by the Director of Business Development and Communications of NCF, Mr. Uchenna Achunine, expressed concern on the challenges the birds are facing, especially migratory bird: challenges such as but not limited to loss of habitat, persecution, famine, pollution – which led to this year’s theme.

He said, “This year’s theme, “Light Pollution: dim the light for birds at night”, is a clarion call to action for all to jointly participate in bird conservation. Research has shown that birds do have accident flying at night because of illumination from cities. When we switch off light bulbs that are not so useful, we help to reduce the chances of the birds having head-on-collision with buildings, trees, and other infrastructures.”

Guest Speaker at the event, Dr. Soladoye Iwajomo, Senior Lecturer, Dept of Zoology, University of Lagos, defines light pollution as the introduction of artificial light, either directly or indirectly, into the natural environment the result of which is the alteration of the natural pattern of light and dark in ecosystems. He said that light pollution is often caused by the way the light is emitted from lighting equipment. He opined that choosing proper equipment and carefully mounting and aiming it can make a significant difference.

In mitigating the impact of light pollution on migratory birds, he said: “Start with natural darkness and only add light for specific purpose; use adaptive light controls to manage light timing, intensity and colour; light only the area or object intended, keep light close to the ground, directed and shielded to avoid light spill; use the lowest intensity lightning appropriate for the task; use non-reflective, dark coloured surfaces; and use lights with reduced or filtered blue, violet and ultra-violet wavelengths.”

In his goodwill message, Mr. Abdulmalik Ogizi, who represented the Federal Ministry of Environment, shared that migratory birds fly hundreds of thousand kilometres to find the best ecological conditions and habitats for feeding, breeding, and raising their young.

When conditions at breeding sites become unfavourable, it is time to fly to regions where conditions are better, he added, noting that the phenomenon is accompanied by several anthropogenic, political, and environmental challenges on the migratory bird’s survival and conservation.

He said: “This year’s campaign highlights the impacts of the increasing but underestimated threat of light pollution on migratory birds. Artificial light is increasing globally by at least 2% per year, and it is known to adversely affect many bird species. Light pollution is a significant threat to migratory birds, causing disorientation when they fly at night, leading to collisions with buildings, increasing their vulnerability as prey to other animals, perturbing their internal clocks, or interfering with their ability to undertake long distance migrations.”

In her keynote address, the NCF’s Species Programme Lead, Dr. Stella Egbe, revealed that, twice in a year, the world comes together to celebrate and raise awareness on the beauty and threats of migratory birds.

Migration is the seasonal movements to birds between their breeding and wintering sites, she stressed, emphasising that this seasonal activity is an important event that ensures the survival of lots of bird species.

She added: “Every year, ornithologists, and conservation biologists study birds in all types of environments globally, monitoring their numbers and diversity. In recent years, it has been observed that species are declining rapidly, driving species to the brink of extinction. From habitat loss, indiscriminate killing and trade in birds, plastic pollution etc, birds are increasingly exposed to factors within the environment that they have not adapted to.”

Some of the migratory birds in Nigeria include Eurasian Whimbrel, White-faced whistling duck, Marsh sandpiper, Osprey, and Common sandpiper, among others.

“It has been discovered that some adult birds are being harvested, which will prevent reproduction. This will cause general decline in the population of birds,” the NCF submitted.

Also in attendance were Dr. Joseph Onoja, Director of Technical Programmes, NCF; Mr. Adewunmi Adeyemi, Asst Director, Forestry Services, Lagos State Ministry of Agriculture; Mr Adeniyi Arimoro and Mrs. Regina Arimoro, founders of Afruitful Environment Ltd, among others.

Presentations were made by students from Treasure Court College, Iba; Falomo High School, Ikoyi; and Watercress School, Satellite Town, Lagos. The event was supported by Volgeschberming Nederlands and Wetland International.

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