The lagoon hosts over 160 species of birds in the peak migratory season.

It's the heart of the park where one can seen thousands of birds descending during the migratory season.

Fall also signals the migratory season of the silver-crested senior citizen.

Local Vietnamese authorities have programs in place to protect these birds during their migratory season.

Others, like the cranes, pass through by the thousands during the migratory seasons.

Each year, thousands of hawks fly across the region during the fall migratory season.

During the migratory season they may be found as passage migrants all over peninsular India.

During the migratory season, the region is visited by greylag and black geese.

The new monarch freeze is especially serious because it comes in the wake of an adverse migratory season for butterflies moving north from Mexico.

During the migratory season, it is also popular with birdwatchers from home and abroad.