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Back to Mini-games  In that nest, there was an egg

1. Common loon nest

Common loon nest with eggs.

The common loon’s nest is a platform of plant matter located near the water. In it, the female lays olive eggs spotted with brown, which blend in with the aquatic plants making up the nest. This way the eggs are almost invisible to predators.

Photo: 2010, Jean-Guy Béliveau, Le monde en images, CCDMD.

2. Common loon and young

Common loon and young

Thanks to the loon’s big, nutrient-filled eggs, the chicks are developed enough at birth to be able to leave the nest soon after hatching. They are called “nidifugous”. The adult generally carries the young on its back.

Photo: Loon LUN avec Chick Québec Canada - fichier Photo from

3. Killdeer nest

Killdeer nest with an egg.

The killdeer’s nest is a depression in the ground disguised using a few stones, located on a pebbly beach or an empty lot with little vegetation. The female killdeer lays pale, spotted eggs that look like pebbles and blend in with the ground.


Photo: Serge Brière - Wikimedia Commons

4. Killdeer and young

Killdeer and young

When they hatch, the killdeer chicks already look a lot like their parents. They leave the nest after only a few days. They are called “nidifugous”.

Photo: Stéphane Tremblay - Flickr

5. Red-winged blackbird nest

Red-winged blackbird nest with eggs

The bird’s nest is built in rushes, shrubs or bushes using aquatic plants, grasses and twigs. The female red-winged blackbird lays bluish-green eggs with dark markings.

Because of their colour, the eggs are easier to camouflage.

Photo: USFWS

6. Red-winged blackbird and young

Red-winged blackbird and young in their nest

The red-winged blackbird feeds its young for several weeks before they are developed enough to leave the nest. We call them altricial.

Photo: Guylaine Noêl - Flickr

7. Black-crowned night heron nest

Black-crowned night heron nest with eggs

Made of branches, it’s built in a bush or tree. The night heron’s eggs are pale greenish-blue.

Photo: Montréal Biodôme

8. Black-crowned night heron

Black-crowned night heron in its nest

This eggs of the black-crowned night heron are small compared to the size of the adult female! This is because the eggs contain little nutrient reserves. Black-crowned night heron chicks are small at birth and stay in the nest for a while to continue developing. We call them altricial.


Photo: Montréal Biodôme

9. Great blue heron, a patient fisherman

Great blue heron on the shore.
Photo: Benoît Audet

10. Black-legged kittiwake

Black-legged kittiwakes on a rock.
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