Shurulinkov, P., Daskalova, G., Popov, K, Dalakchieva, S.,Tsonev, R., Dimchev, I., Ralev, A., 2020. Recent changes in the presence status and numbers of ruddy shelduck (Tadorna ferruginea) in the Eastern Balkans. — Historia naturalis bulgarica, 41: 41—49. doi:10.48027/hnb.41.06001
Shurulinkov, P., Hubenov, Z., Beshkov, S., Popgeorgiev, G. (eds), 2019. Biodiversity of the Bulgarian-Romanian section of the Lower Danube. — Nova Publishers, New York, 441 pp.
Shurulinkov, P., Daskalova, G., Cheshmedzhiev, S., Kirov, K., Koev, V., Dinkov, H., Hristov, I., Nikolov, I., Mihov, S., Kutsarov, Y., 2019. Heron and cormorant colonies along the Bulgarian-Romanian section of the Danube River: Status and Trends 2010—2014. — In: Shurulinkov, P. et al. (eds) Biodiversity of the Bulgarian-Romanian section of the Lower Danube. Nova Publishers, New York, pp. 315—340.
Shurulinkov, P., Cheshmedzhiev, S., Daskalova, G., Dinkov, H., Kirov, K., Hristov, I., Kutsarov, Y., Koev, V., Mihov, S., 2019. Recent data on the distribution and numbers of the water birds in the wetlands along the Bulgarian-Romanian section of the Danube River. — In: Shurulinkov, P. et al. (eds) Biodiversity of the Bulgarian-Romanian section of the Lower Danube. Nova Publishers, New York, pp. 341—374.
Cheshmedzhiev, S., Shurulinkov, P., Daskalova, G., 2019. Status and distribution of diurnal birds of prey and the Black Stork along the Bulgarian section of the Danube River. — In: Shurulinkov, P. et al. (eds) Biodiversity of the Bulgarian-Romanian section of the Lower Danube. Nova Publishers, New York, pp. 375—398.
Shurulinkov, P., Spasov, L., Stoyanov, G. P., Chakarov, N., 2018. Blood parasite infections in a wild population of ravens (Corvus corax) in Bulgaria. — Malaria Journal, 17: 33. [PDF]
Shurulinkov, P., Daskalova, G., Kirov, D., Borisov, B., Spasov, L., Ralev, A., Stoev, I., Mechev, A., 2018. Avifauna of Bulgarka Nature Park with distribution, population size and breeding density data for the species of conservation importance. — Forestry Ideas 24, 1 (55): 3—22 [PDF]
Shurulinkov, P., Avtanski, D., 2018. Records of Tengmalm’s Owl (Aegolius funereus) from the Šar Mts, Republic of Macedonia. — Historia naturalis bulgarica, 28: 1—4. doi:10.48027/hnb.28.01001 [PDF]
Georgiev, K., Thorn, S., Zlatanov, T., Nikolov, B., Shurulinkov, P., Daskalova, G., Gottschalk, S., 2018. Evaluating the importance of managed forests as habitat for the Semi-collared Flycatcher (Ficedula semitorquata). — Forest Ecology and Management, 419—420: 123—129. [PDF]
Daskalova, G., Shurulinkov, P., 2018. Characteristics of the hunting behavior of the Red-footed Falcon (Falco vespertinus) in South-Eastern Bulgaria. — Zoonotes, 125: 1—4. [PDF]