Facts about Black-throated Diver

1. 07

   The Black-throated Diver's streamlined body and legs positioned far back on its body make it exceptionally agile underwater but nearly flightless on land, requiring 20 to 30 meters of water runway for takeoff.

   Black-throated DiverMay 14shareanatomyadaptationlocomotion
2. 06

   Chicks of the Black-throated Diver fledge at approximately 7 to 8 weeks old, learning to hunt independently before departing their natal lakes in late summer.

   Black-throated DiverMay 14sharebiologydevelopmentbreeding
3. 05

   Incubation periods for Black-throated Diver eggs last approximately 29 to 31 days, with both parents sharing responsibility for keeping eggs warm in their lakeside nests.

   Black-throated DiverMay 14sharereproductionbiologymeasurement
4. 04

   An adult Black-throated Diver weighs between 1.5 and 2.3 kilograms, making it one of the smaller diver species despite its powerful diving capabilities.

   Black-throated DiverMay 14sharebiologymeasurementmorphology
5. 03

   Black-throated Divers produce distinctive wailing and yodeling calls during breeding season that can carry over 1 kilometer across water to establish territory and communicate with mates.

   Black-throated DiverMay 14sharebehaviorvocalizationbreeding
6. 02

   Arctic breeding populations of the Black-throated Diver migrate up to 4,000 kilometers between northern nesting grounds and winter quarters in coastal Atlantic and Mediterranean waters.

   Black-throated DiverMay 14sharemigrationgeographybehavior
7. 01

   During breeding season, Black-throated Divers can dive to depths exceeding 60 meters while hunting for fish in northern European and Asian lakes.

   Black-throated DiverMay 14sharebehaviormeasurementbiology