Atlantic Salmon Lifecycle and Challenges

The video discusses the importance of autumn rainfall for the Atlantic salmon's lifecycle. It highlights the salmon's migration from the ocean to the Highland rivers, where they face challenges such as waterfalls. The salmon's persistence and physical adaptations enable them to overcome these obstacles and reach their spawning grounds.

Which months are considered the wettest, playing a crucial role in the lifecycle of Atlantic salmon?

• August and September

• October and November

• December and January

• March and April

Where do Atlantic salmon gather after returning from their ocean migration?

• Loch Ness

• Falls of Shin

• Lake District

• River Thames

What is the main obstacle that Atlantic salmon face when trying to reach their spawning grounds?

• Lack of food

• The falls blocking their path

• Cold water temperatures

• Predators in the river

Why is timing crucial for the survival of salmon offspring?

• To reach the spawning grounds before water levels drop

• To find enough food

• To ensure eggs hatch in the right season

• To avoid predators

What physical adaptation helps salmon leap over obstacles?

• Long fins

• Streamlined bodies

• Muscles for short bursts of energy

• Sharp teeth

How far can Atlantic salmon leap when trying to overcome obstacles?

• About five meters

• Less than one meter

• Exactly two meters

• More than three meters