Do birds have tongue? What is that straw?
That’s the question that I had after I saw that moment.
Driven by my curiosity, I started to research about this and actually, all birds have tongue.

Sunbirds have long, tubular tongues ( Nectarine tongue ), with 2-3 branches at the tip to help them suck up the nectar.

Here some information that I get from other resource.

Bird Tongue Morphology

• A bird uses its tongue to help them with food intake, swallowing and communicating with other birds. 
• A birds tongue is part of the “lingual apparatus” and is located in the floor of the lower beak.
• The tongues’ extrinsic muscles anchor the tongue and allow it to change position. 
• Bird tongues have tactile receptors that help it to identify and position food before swallowing.  
• The tongue is made up of bones and cartilage which control its movements, this is known as the hyoid apparatus. 
  Souce: https://chipperbirds.com/bird-tongue/

Bird Tongue Type:

• Muscular tongue
• Grooved tongue
• Nectarine tounge
• Thermoregulation
  You can refer to this link to get more detail of those tongue type: https://chipperbirds.com/bird-tongue/

Resource:
https://chipperbirds.com/bird-tongue/

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Sunbirds have long thin down-curved bills and brush-tipped tubular tongues, both adaptations to their nectar feeding.

Scientific name: Cinnyris jugularis

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