Blue Tit Eggs to Chicks: Hatching, Development, and Fledging

Blue Tit Eggs to Chicks: Hatching, Development, and Fledging

After spending some time finding the perfect location to nest, the female blue tit then searches for a mate. Once she has found a mate, she spends her time making the nest suitable for laying eggs and incubating her young.

Blue tits prefer holes in trees and nesting boxes positioned around 6 to 7 feet above the ground in a sheltered location to keep predators away.

She will fill the bottom of the nest with moss, feathers, fur, hair or even spider webs. Which she makes into a cup shape large enough to hold her clutch of eggs.

How Many Eggs Does A Blue Tit Lay?

Blue tit hens lay one egg per day until she has a full clutch. The largest clutches can have as many as 16 eggs but the average is around 5 to 14. 

She doesn’t start to incubate the eggs until she has laid the last one which means that the first egg could have been lying dormant for up to 2 weeks before embryo development starts.

What Do Blue Tit Eggs Look Like?

Blue Tit Eggs

Blue tits have the one of largest clutch sizes of all birds. They can lay as many as 16 eggs! However, the average clutch is anywhere between 5 to 14 eggs.

The eggs are roughly 16 mm by 12 mm in size and are smooth, shiny and predominantly white with reddish, brown spots in patches. 

What Colour Are Blue Tit Eggs?

Blue tit eggs are a glossy or shiny white with red or brown spots in patches. The colour of the spots resemble the colour of cayenne pepper.

The eggs are so shiny that they look like they have been polished.

How Long Do Blue Tit Eggs Take To Hatch?

The mother pulls feathers from her abdomen to create an area which is perfect for incubating the eggs. She will spend around 14 days incubating the eggs being fed by the male with the occasional foray outside to hunt for food close to the nest herself.

If you’re wondering when do blue tit eggs hatch? The answer is around 14 days after the incubation period starts. Which could mean that the first egg laid might take 28 days before hatching if the mother lays 14 eggs. 

When Do Blue Tit Chicks Open Their Eyes

Blue tit chicks are born with no feathers and no eyesight. They spend the first days of their life with their eyes closed. They typically open their eyes after 10 days.

After another 11 days or so they will be fully fledged and ready to leave the nest.

What Colour Are Blue Tit Chicks?

When they’re first hatched, blue tit chicks are featherless, they are covered in skin and not feathers. Their skin colour is pink or red when they first hatch.

They spend their first few weeks just eating, growing and stretching and strengthening their wings so that they can fly as soon as they leave the nest. They also stretch and strengthen their legs at the same time.

When Do Blue Tit Chicks Fledge

Female Blue Tit

Blue tit chicks leave the nest or fledge around 21 days after they hatch. They are called outside the nest by their parents and one by one starting with the biggest chicks first, they stick their heads out of the nesting box hole and fly to the nearest branch or perch.

The chicks will usually remain close to the nesting box for a few days after their first flight. During this time, their parents still feed them whilst teaching them what to eat, where to find food and how to avoid predators.

SEE ALSO: Blue Tit Life Cycle: From Nest Building to Flight

Frequently Asked Questions

How long after blue tit eggs hatch do they fly away?

Blue tit chicks first fly out of the nest roughly 21 days after hatching. They stay with their parents for a few weeks with the parents still feeding them while they learn how to find food and avoid predators.

How many chicks does a blue tit have?

Blue tits lay around 5 to 14 eggs which will all hatch after around 14 days of incubation. 

Where do blue tits go in winter?

Blue tits stay in the UK during winter and spend their time huddled together to keep warm. They will often stay in nesting boxes or tree hollows during the winter months.

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