What’s this food called?

Sesame bars.

Without knowing what’s inside it, I’d call it a sesame bar.

Sesame sticks ?

Sesame snaps.

Halva?

Granola or sesame bar of some kind

Gajak

It's called "Кунжутні козинаки" or "Козинаки з кунжуту" - sesame kozynaky (sesame bars). There are different variations made with sunflower/pumpkin seeds, puffed rice, dry berries and nuts. It's sweet and pretty crunchy.

u/bawan27 It is knowns as Sesame Bar in most parts of the world. It is widely known as "Chikki" or "Til Laddu" here in India. Most of it is mixed with jaggery and some may use of dry fruits to enhance the taste of it. It is mostly sweet in taste and are made during festive seasons depending where you are in India. Given the month of January, The Maharastrians make it during the season of "Makar Sankranti".

Bird feed?

Weetabix?

It looks like some kind of grain bar. I don't think they're flapjacks, because they don't look gooey enough. They might be called muesli bars, or breakfast bars, or energy bars. Probably not "cereal bars", because it looks more like seeds. I might sarcastically refer to it as "rabbit food".

Bird food

схоже на «козинак»