All About Bird Migration

Bird Migration

Questions

  • What is bird migration?
  • Why do birds migrate?
  • Types of migration
  • Seasonal changes and bird needs
  • How to help birds during migration
  • Bird migration in the UK
  • Conservation challenges
Ever wondered why the chirping of birds greets you one morning and then mysteriously vanishes the next? The answer lies in the fascinating phenomenon of bird migration. We’re going to explore bird migration, its significance, and how you can play a role in supporting our feathered friends throughout the seasons. Every year their natural habitat continues to change beyond what they previously knew and it’s up to us to ease some of their hardships so we can have a thriving bird population that returns every year. 

What is bird migration?

Bird migration is the regular, often seasonal, movement of birds between breeding and wintering grounds. It ensures that birds have access to abundant food, favourable weather, and suitable nesting sites. Migration patterns vary significantly among species, with some undertaking epic journeys spanning thousands of miles, while others move shorter distances. 
Birds like the Arctic tern are known for their incredible migratory feats, travelling from the Arctic to the Antarctic and back again each year. On the other hand, some birds, such as the European robin, may migrate just a few hundred miles. Migration is triggered by environmental cues, primarily changes in day length, temperature, and food availability. 

Bird flying in the sky.

Why do birds migrate?

Migration is a survival strategy that allows birds to exploit resources that vary seasonally. During spring and summer, temperate regions like the UK offer an abundance of insects, seeds, and nesting sites, making them ideal breeding grounds. However, as autumn approaches and temperatures drop, food becomes scarce, prompting birds to migrate to warmer regions where resources are more plentiful. 
The need to escape harsh winter conditions and avoid food shortages drives many bird species to undertake long and perilous journeys. Migration also helps birds avoid predators and diseases that may be more prevalent in certain areas during specific seasons. Not all birds migrate, some will stay all year around so you’ll always have some hungry mouths to feed. 

Types of migration

Bird migration can be classified into several types based on the distance travelled and the pattern followed. The pattern and length of migration species of birds will take all depends on their needs and what they have evolved to do.  

Long-distance migration 

Birds like the swallow and the swift travel thousands of miles between their breeding and wintering grounds. These journeys often span continents and involve crossing vast oceans and deserts.  

Short-distance migration 

Some birds, such as the chaffinch, migrate relatively short distances, moving from one part of a country to another or to neighbouring countries. These migrations are typically driven by the need to find adequate food and shelter during winter. 

Elevational migration 

Certain bird species, like the snow bunting, migrate up and down mountains rather than across long distances. They move to higher elevations during the breeding season and descend to lower altitudes in winter to avoid harsh weather. 

Seasonal changes and bird needs

The needs of birds vary with the seasons, and understanding these changes can help you support them throughout the year. During spring and summer, birds require abundant food and secure nesting sites to raise their young. 

Birds in the nest.
In autumn, birds focus on building up fat reserves for migration. Offering a variety of seeds and nuts can provide the necessary energy for their long journeys. During winter, food sources become scarce, and birds need extra calories to stay warm. Providing high-fat foods, such as sunflower seeds and peanuts, can help them survive the cold months. 

How to help birds during migration

Supporting migratory birds involves providing food, water, and shelter throughout the year. Here are some practical tips to help birds during migration: 

Provide fresh water 

Providing birds with fresh water in your garden is essential to create a safe haven for wild birds. Ensure to change the water regularly during the summer to prevent bacteria growth. In winter, it's crucial to make sure the water doesn't freeze over by using a heated birdbath or adding warm water periodically. Consistent access to clean water aids in keeping birds hydrated and healthy throughout the year. Installing a bird bath in your garden like the Henry Bell Bronze Wild Bird Bath is nice and simple, it can just be imbedded into your lawn.  
 

Install bird feeders 

Picking the right bird feeders for your garden involves considering the species frequenting your area and their dietary preferences. Tube feeders like the Honeyfields Heavy Duty Nyjer Seed Feeder are excellent for small birds like finches and chickadees, while platform feeders cater to a broader range of species, including ground feeding birds. Suet feeders like the LFJ Millers Heavy Duty Suet Pellet and Mealworm Feeder are ideal for woodpeckers and nuthatches, especially during winter when high-energy foods are crucial. To attract a variety of birds year round, provide a mix of foods such as sunflower seeds, nyjer seeds, mealworms, and fruit. Adjust the offerings based on the season like energy-rich foods in winter, protein-rich options during breeding season, and high-fat seeds for migratory periods. 

Bird with bird feeder.

Create safe habitats 

Creating a safe space in your garden for birds includes incorporating lots of shrubs and nesting boxes to offer shelter and breeding opportunities. Dense shrubs provide birds with places to hide from predators and harsh weather while varying plant heights cater to different bird species. Installing nesting boxes like the LFJ Millers Sloping Roof Nest Box for Birds at appropriate heights and away from potential threats means they can raise their young in a safe environment.  

Reduce window collisions 

Window collisions pose a significant threat to birds, often resulting in injury or death. To mitigate this, apply window decals or stickers which break up reflections, making windows visible to birds. Position decals closely together, ensuring they’re effective in preventing collisions and safeguarding your garden’s bird population. 

Support conservation efforts 

Collaborating with local birdwatching conservation organisations can significantly help with efforts to monitor and protect bird populations. These partnerships offer valuable expertise and resources for conducting bird counts, tracking migration patterns, and identifying at risk species. By working together, we can develop more effective strategies to preserve and support avian biodiversity. 

Bird migration in the UK

The UK is home to a diverse range of migratory bird species, including the barn swallow, common swift, and blackcap. These birds travel to the UK during the breeding season, taking advantage of the rich food sources and suitable nesting sites. Spring sees the return of many species from their wintering grounds, while autumn marks the beginning of their southward journeys.

Conservation challenges

Migratory birds face numerous challenges, including habitat loss, climate change, and human activities. By making an effort to make your garden a safe place for birds and monitor their activities, you can help to make sure they’re thriving. 

Birds flying in the sky.

Habitat protection 

Protecting and restoring habitats, such as wetlands and forests, is essential for supporting migratory birds. Conservation organisations work to secure these habitats and implement management practices that benefit bird populations. If you want to get involved, many organisations like the RSBP accept both donations and volunteers to get involved.   

Climate change 

Climate change poses a significant threat to bird migration patterns. Rising temperatures and shifting weather patterns can disrupt the availability of food and suitable habitats, leading to changes in migration timings and routes. Some birds may arrive at their breeding grounds too early or too late, missing the peak availability of food needed to raise their young. They rely on these natural cues to know when to travel and breed.  

Human disturbance 

Human activities, such as urban development and recreational activities, can disrupt migratory birds and their habitats. Implementing measures to reduce disturbance, such as creating buffer zones and raising awareness, can help protect these vulnerable species. 
By understanding the intricacies of bird migration and the challenges faced by migratory birds, we can take meaningful actions to support their conservation. Whether you're a seasoned birdwatcher or an environmental enthusiast, there are numerous ways to contribute to the protection of migratory birds. Join local conservation efforts, create bird friendly spaces, and promote awareness about the importance of bird migration. For everything you need to create your own garden haven for local birds, visit us in store and online. Â